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OT Security
Secure the front door. Email is where most attacks arrive — Tenable OT Security is OT/ICS security for industrial environments — asset inventory (Instant OT Discovery), VM & threat detection, seen SAFELY (passive-first + active). The edge: converge IT+OT in one exposure view (Tenable One). Honest: pure-plays go deeper on OT.
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How it’s rated
Full scoreboard ↓Quick answer
The Tenable platform family
This page covers Tenable OT Security — the OT/ICS platform. The rest of the Tenable exposure platform:
Quick facts
30-second orientation- Product
- OT Security — OT/ICS visibility & detection
- Vendor
- Tenable (founded 2002 · NASDAQ: TENB)
- The category
- OT / ICS security (industrial)
- What it does
- OT asset inventory + vuln mgmt + threat detection
- The heritage
- Ex-Indegy (acquired 2019)
- The method
- Passive monitoring + targeted active querying
- The edge
- Converged IT+OT in ONE exposure view
- Honest
- Pure-plays (Claroty/Dragos/Nozomi) go deeper on OT
- Vs
- Claroty, Dragos, Nozomi, MS Defender for IoT, Armis
- In India via
- TechBag — scoping, licensing, GST (PSU/utilities)
Understand OT/ICS security before you buy it
Most product pages skip this. We start here — so you buy a capability, not a buzzword.
What is Tenable OT Security?
OT/ICS security for industrial environments — asset inventory (Instant OT Discovery), VM & threat detection, seen SAFELY (passive-first + active). Built on Indegy. The edge: converge IT+OT in Tenable One.
OT blind spot vs Tenable converged OT security — the honest table
What consolidation actually replaces, dimension by dimension.
| Dimension | Unprotected / signature email | OT Security (Tenable) |
|---|---|---|
| OT visibility | Blind — unknown assets | Instant OT Discovery inventory |
| Collection safety | Risky active scans | Passive-first + safe active |
| OT vulnerabilities | Unassessed | OT vulnerability management |
| Controller integrity | Unmonitored changes | Change detection + forensics |
| IT/OT boundary | Blind spot | Boundary visibility |
| The real edge | OT silo | Converge IT+OT in Tenable One |
| Honest vs pure-plays | — | Pure-plays deeper; Tenable converges |
| Best fit | (varies) | Converged IT+OT exposure |
Tenable OT Security is OT/ICS security for industrial environments — asset inventory (Instant OT Discovery), VM and threat detection, seen safely (passive-first + targeted active), built on Indegy — whose edge is converging IT+OT into one exposure view (Tenable One). Honest: the OT pure-plays (Claroty/Dragos/Nozomi) go deeper on OT-specialist depth and threat intel; and this is OT exposure/detection, NOT a full managed OT-SOC. TechBag matches you honestly & adds GST.
The five pieces of the platform
Vendors love diagrams; buyers need to know what they’re actually operating. Here’s the whole platform, demystified.
Discover Every OT Asset
Most operators can’t see all their OT — PLCs, RTUs, HMIs, controllers, industrial devices. Tenable OT Security discovers them (‘Instant OT Discovery’), building the asset inventory you can’t secure without. You can’t protect what you can’t see. Visibility first.
See Safely — Passive + Active
OT is fragile — you can’t just scan it. Tenable uses PASSIVE network monitoring (safe, non-intrusive, the default) PLUS targeted ACTIVE querying (deeper detail where safe) to see OT without disrupting operations. Deep visibility, safely. The OT-appropriate way.
Assess OT Vulnerabilities
Assess the vulnerabilities in your OT assets — known CVEs in controllers and industrial software, risky configurations, outdated firmware — bringing vulnerability management to the industrial estate. Know the OT risk. VM for the factory floor.
Detect OT Threats
Detect threats in the OT environment — anomalies, unauthorised changes to controller logic, suspicious activity, policy violations — with forensics for investigation. Catch the industrial attack. Watch the controllers.
Converge IT + OT (The Edge)
The genuine differentiator: converge IT and OT into ONE exposure view — the same Tenable platform (and Tenable One) that manages IT exposure covers OT too, so you see the whole attack surface, including the IT/OT boundary attackers cross. IT + OT, one picture. Not two silos.
One agent on every machine, one console over all of them — modules attach without a second operational world.
Twelve capabilities. Discover, assess, detect.
Tenable OT Security sees your industrial estate safely and converges IT+OT into one exposure view — the OT platform of portfolio, and paired with the human firewall.
Instant OT Asset Discovery
Discover every OT/ICS asset — PLCs, RTUs, HMIs, controllers, industrial devices — building the inventory you can’t secure without. See the whole factory floor. Visibility first.
Passive Network Monitoring
See OT safely — passive, non-intrusive network monitoring is the default for fragile industrial environments, watching without disrupting operations. Deep visibility, zero disruption. OT-safe.
Targeted Active Querying
Where safe, add targeted active querying for deeper device detail (firmware, config) that passive monitoring alone can’t see — combining depth with OT safety. Deeper detail, safely applied.
Industrial Protocol Awareness
Understand industrial protocols (Modbus, DNP3, EtherNet/IP, S7 and more) to see and assess OT devices accurately — the language of the factory floor. Speak OT, see OT. (Honest: pure-plays go deepest here.)
OT Vulnerability Management
Assess CVEs in controllers and industrial software, risky configurations and outdated firmware — bringing risk-based VM to the industrial estate. Know the OT risk. VM, for the factory.
OT Risk Prioritisation
Prioritise OT risk by criticality and exploitability — focusing remediation where an issue could actually affect operations or safety. Fix what threatens uptime and safety first.
Controller Configuration Control
Track the configuration and logic of controllers — and flag UNAUTHORISED changes (a classic OT attack and a safety risk) — for change control on the factory floor. Catch the tampered controller.
OT Threat Detection
Detect anomalies, suspicious activity and policy violations in the OT environment — signs of an industrial attack in progress. Catch the attack on the factory floor.
Forensics & Investigation
Investigate OT incidents with forensics — a record of what happened, when and to which device — for response and root-cause on the industrial estate. Investigate the industrial incident.
IT/OT Boundary Visibility
See the IT/OT boundary attackers cross — the convergence point where IT threats reach OT — so the seam between the two worlds isn’t a blind spot. Watch the seam. Where IT meets OT.
Converged IT + OT Exposure (Tenable One)
The genuine edge: converge OT into the SAME exposure view as IT (VM, identity, cloud, web app) via Tenable One — one attack surface, one risk view, not two silos. IT + OT, one picture. The unification advantage.
Honest: When a Pure-Play Fits
Said plainly: OT pure-plays (Claroty, Dragos, Nozomi) go deeper on industrial-protocol coverage and dedicated OT threat intel (Dragos especially on ICS threats). Choose Tenable OT to CONVERGE IT+OT; choose a pure-play for deepest OT-specialist depth. TechBag advises honestly.
Watch Tenable OT Security in action
The overview, getting started, and protecting M365 email.
Complete Visibility with Tenable.ot
OT asset visibility & security, explained.
Tenable OT Fireside with Siemens Energy
OT security in the real world.
Tenable One | Exposure Management
Converging OT with total exposure.
Want a live, India-context walkthrough on your own fleet?
Book a guided demo →The endpoint catches what arrives. Email stops it arriving.
Here’s what genuinely sets Tenable OT Security apart — and, honestly, when a pure-play fits better.
OT visibility — discover the industrial assets you can’t see (Instant OT Discovery)
The single biggest reason industrial operators choose Tenable OT Security is VISIBILITY: most can’t see all their OT assets — PLCs, RTUs, HMIs, controllers, industrial devices — let alone their vulnerabilities, and you cannot secure what you cannot see. The problem it solves: OT environments (factories, utilities, energy plants) grew over decades, are full of legacy and proprietary devices, and were built for availability and safety — not for security or inventory. Operators often have no complete, accurate list of what’s on their industrial network, which means unknown vulnerabilities, unknown exposure, and no way to respond to an incident. What Tenable provides: ‘Instant OT Discovery’ and continuous asset inventory — it discovers the OT assets, identifies them (make, model, firmware), and builds the complete inventory that everything else (vulnerability assessment, threat detection, incident response) depends on. Crucially, it does this SAFELY (passive-first — see below), because you can’t risk disrupting fragile industrial operations. Why it matters: visibility is the foundation of all OT security — without a complete asset inventory, you’re blind to your industrial risk, and in OT a blind spot can have physical, safety and availability consequences. Discovering the assets is the essential first step. The value: Tenable OT Security discovers the industrial assets you can’t see — the OT inventory that’s the foundation of industrial security. For OT visibility, this matters. TechBag scopes Tenable OT Security for your industrial estate. TechBag helps you see your OT.
See OT safely — passive-first, with targeted active querying
A defining strength of Tenable OT Security is that it sees OT SAFELY: it uses passive network monitoring (non-intrusive, the default for fragile industrial environments) plus targeted active querying (for deeper detail where safe) — deep visibility without disrupting operations. The problem it solves: OT is not IT. You cannot just run an active vulnerability scan against a decades-old PLC controlling a physical process — the scan itself could disrupt or crash it, with real-world safety and availability consequences. Yet passive monitoring alone can’t always get the full device detail you need. What Tenable provides: a hybrid, OT-appropriate approach — PASSIVE network monitoring as the safe default (watching traffic non-intrusively to discover and assess devices without touching them), PLUS TARGETED ACTIVE querying where it’s safe to do so (carefully querying a device for deeper detail like firmware and configuration). You get depth AND safety, tuned to the fragility of the environment. Why it matters: in OT, availability and safety come first — a security tool that could disrupt operations is a non-starter. The passive-first, safely-active approach is exactly what industrial environments require, and it’s why Tenable OT Security can deliver deep visibility without operational risk. The value: Tenable OT Security sees OT safely — passive-first, with targeted active querying — deep visibility without disrupting fragile operations. For OT-safe security, this matters. TechBag scopes the safe collection approach for your OT. TechBag helps you see OT without disrupting it.
The real edge — converge IT and OT into ONE exposure view
The genuine differentiator of Tenable OT Security is CONVERGENCE: it brings OT into the SAME exposure view as your IT — the same Tenable platform (and Tenable One) that manages IT vulnerability/exposure also covers OT — so you see the whole attack surface, including the IT/OT boundary attackers cross, in one place. The problem it solves: IT and OT security have historically been separate worlds, separate teams, separate tools. But attackers don’t respect the boundary — many industrial attacks START in IT (a phished email, a compromised laptop) and PIVOT into OT across the IT/OT seam. Managing IT and OT in separate silos means nobody sees the whole path, and the boundary itself is a blind spot. What Tenable provides: because Tenable’s whole identity is unified exposure management, OT exposure sits in the same risk view, prioritisation and attack-path analysis as IT (VM, identity, cloud, web app) via Tenable One — so you manage your industrial estate as part of your TOTAL attack surface, and you see the IT-to-OT attack paths. If you already run Tenable for IT, this is uniquely compelling: OT in the same picture, not a separate OT silo. Why it matters: for organisations that want to secure the WHOLE converged attack surface (increasingly the reality as IT and OT merge), unifying OT with IT exposure is a genuine, distinctive advantage — it’s the honest reason to choose Tenable OT Security over an OT-only pure-play. The value: Tenable OT Security converges IT and OT into one exposure view (Tenable One) — the whole attack surface, including the IT/OT boundary, in one place. For unified IT+OT security, this matters. TechBag scopes the convergence for your estate. TechBag helps you secure IT and OT as one.
Honest — pure-plays go deeper on OT; choose Tenable to CONVERGE
Said plainly and honestly: the OT PURE-PLAYS — Claroty, Dragos and Nozomi Networks — generally have deeper industrial-protocol coverage and dedicated OT threat intelligence, and against a pure-play, Tenable OT Security competes on UNIFICATION, not on being the deepest OT-specialist. The honest picture: Claroty, Dragos and Nozomi are OT-focused companies whose entire business is industrial security — they tend to support more industrial protocols more deeply, and Dragos in particular is renowned for dedicated ICS-specific threat intelligence and OT-attack research. If your priority is the absolute deepest OT-specialist protocol coverage and OT threat intel — and OT is your whole world — a pure-play may be the stronger choice, and TechBag will say so. So when IS Tenable OT Security the right pick? When your priority is CONVERGING IT and OT into one exposure view — especially if you already run Tenable for IT vulnerability/exposure and want OT in the same picture rather than a separate OT silo with a separate tool, team and console. That’s a real, defensible position: converged IT+OT exposure in one platform (Tenable One), with genuinely capable OT visibility, VM and threat detection (from the Indegy heritage) — just not the deepest OT-specialist depth of a pure-play. Why this honesty matters: choosing the wrong OT tool for your priority wastes money and leaves risk. TechBag’s job is to match you — Tenable OT Security for convergence, a pure-play for deepest OT-specialist depth. The value: honest positioning — pure-plays (Claroty/Dragos/Nozomi) go deeper on OT; choose Tenable OT Security to CONVERGE IT+OT in one exposure view. For the RIGHT OT choice, this honesty matters. TechBag compares Tenable OT and the pure-plays candidly. TechBag helps you pick the right OT security for you.
Very relevant to Indian PSU/utilities/manufacturing — and TechBag adds local support
Tenable OT Security is highly relevant to India’s industrial sectors — PSU, utilities (power/water), energy, manufacturing — and for these organisations TechBag adds local scoping (including vs the pure-plays and with on-prem fit), licensing and INR/GST support. Why it fits India: India’s critical infrastructure and manufacturing are rapidly digitising and converging IT with OT, expanding the industrial attack surface — and regulatory/national focus on critical-infrastructure protection is rising. Indian PSU/utilities/manufacturing need OT visibility, vulnerability management and threat detection, often with strong data-residency and on-prem requirements (where Tenable’s on-prem/Security Center heritage helps). And many already run Tenable for IT VM, making the converged IT+OT pitch especially relevant. (Honest note: we do NOT publish named Indian PSU/utility customer logos — those aren’t publicly verifiable — but the OT visibility, on-prem and residency fit are real and relevant.) India presence: Tenable’s entity (Mumbai + Pune, MD Rajnish Gupta) and the OPEN partner program (2026 emphasis on Indian integration/services) support industrial deployments, which often need integration and services — a natural TechBag value-add. Where TechBag adds value: TechBag scopes the OT estate, gives honest comparison (Tenable OT for convergence vs Claroty/Dragos/Nozomi for deepest OT depth), helps confirm DPDPA-residency and on-prem needs, and adds INR/GST invoicing and local support. The value: Tenable OT Security is very relevant to Indian PSU/utilities/manufacturing — and TechBag adds honest scoping (vs pure-plays), residency/on-prem fit, INR/GST and support. TechBag supplies it, made local. TechBag provides Tenable, made local for India.
The honest scope
Tenable OT Security is Tenable’s OT/ICS security platform — OT asset inventory (‘Instant OT Discovery’), vulnerability management and threat detection for industrial environments, using passive-first (safe) plus targeted active collection, built on the 2019 Indegy acquisition. From Tenable (creator of Nessus; a Gartner Leader in exposure management). The honest framing — the edge, and where the pure-plays win: Tenable OT Security’s genuine edge is CONVERGENCE — bringing OT into the same exposure view as IT (VM, identity, cloud, web app) via Tenable One, so you secure the whole converged attack surface (including the IT/OT boundary attackers cross) in one place, rather than an OT silo. It has capable OT visibility, VM and threat detection (Indegy heritage) and an OT-safe passive-first approach. But be honest about the biggest thing: the OT PURE-PLAYS — Claroty, Dragos and Nozomi Networks — generally go DEEPER on industrial-protocol coverage and dedicated OT threat intelligence (Dragos especially on ICS-specific threats and OT-attack research). Against a pure-play, Tenable OT Security competes on UNIFICATION, not on being the deepest OT-specialist. So the honest positioning: if your priority is the absolute deepest OT-specialist protocol coverage and OT threat intel — and OT is your whole world — a pure-play (Claroty/Dragos/Nozomi) may be the stronger choice, and TechBag will say so; if your priority is CONVERGING IT and OT into one exposure view (especially if you already run Tenable for IT), Tenable OT Security is compelling and often the right choice. Other honest notes: this is OT exposure/detection, not a full managed OT-SOC (you may pair it with services); and Microsoft Defender for IoT (bundled if you’re on Microsoft) and Armis (asset intelligence) are other alternatives. Very relevant to Indian PSU/utilities/manufacturing (with on-prem/residency fit). TechBag scopes this honestly — including vs the pure-plays — and licenses and supports it locally with GST.
The numbers behind the platform
What your Tenable OT Security journey looks like
Scoping (& is a pure-play better?)
Your OT estate (sites, device types, protocols), whether you already run Tenable for IT, and your priority (deepest OT depth, or converge IT+OT?). TechBag scopes it — and honestly says if a pure-play (Claroty/Dragos/Nozomi) fits better.
Discover safely
Deploy passive monitoring (safe, non-intrusive) to discover and inventory OT assets — ‘Instant OT Discovery’ — adding targeted active querying only where safe. See the OT, disrupt nothing.
Assess & detect
Assess OT vulnerabilities, prioritise by operational/safety risk, and detect threats — anomalies, unauthorised controller changes — with forensics. Know the OT risk, catch the attack.
Converge into Tenable One
Fold OT into the same exposure view as IT (VM, identity, cloud) — the real edge — for one converged attack surface with IT/OT attack paths. TechBag supports it (GST).
Trusted across regulated industries in 100+ countries
The review scoreboard
Modelled on Gartner Peer Insights structure. *Counts and breakdowns are illustrative pending verified review collection.
Quick poll — what’s driving your evaluation?
Talk to an advisor“We finally have a complete inventory of our OT — PLCs and controllers we didn’t even know were on the network. Instant OT Discovery surfaced them safely, passively, without disrupting the plant.”
“The convergence is why we chose it — we already ran Tenable for IT VM, and folding OT into the same exposure view (Tenable One) meant one picture, including the IT/OT boundary. No separate OT silo.”
“Passive-first was essential — our process controllers are decades old and can’t take an active scan. Tenable watches them safely and queries actively only where it’s safe.”
“Honest: we evaluated Dragos and Claroty too, and TechBag was upfront that the pure-plays go deeper on OT protocols and ICS threat intel. We chose Tenable because our priority was converging IT+OT — and TechBag helped us decide honestly.”
“For our sister plant, where OT depth was everything, TechBag honestly recommended a pure-play. For us, already on Tenable for IT, convergence won. Same reseller, honest either way.”
“Detecting unauthorised changes to controller logic gave us change control on the factory floor we never had — a classic OT attack, now visible.”
“It’s OT exposure and detection, not a full managed OT-SOC — we pair it with services. TechBag set that expectation clearly and scoped the services.”
“TechBag scoped our OT estate, compared Tenable honestly vs Claroty/Dragos/Nozomi, confirmed on-prem/residency fit for our PSU requirements, and added INR/GST. Industrial security, made local and honest.”
Where everyone sits — the grids
Analyst firms bury this view behind paywalls, and G2 retired its Grid. So here’s TechBag’s synthesis of the OT / ICS security market — tap any vendor to see why it sits where it does.
TechBag Email-Security Grid
Execution strength vs product vision — the classic market map, minus the paywall.
OT within converged exposure. This page.
Detection × Portfolio Integration
The grid nobody publishes — how strong the email detection is vs how integrated with the wider security portfolio.
Convergence + capable OT depth.
Positions are TechBag’s illustrative synthesis of public review-platform data and vendor documentation — not a reproduction of any analyst graphic. Verify before relying on it.
Tenable OT Security vs the OT/ICS field
Claroty, Dragos, Nozomi Networks, Microsoft Defender for IoT and Armis — honest lanes. Said plainly: the OT pure-plays (Claroty/Dragos/Nozomi) go deeper on OT; Tenable’s edge is CONVERGING IT+OT in one exposure view (Tenable One). It’s OT exposure, not a full OT-SOC. We say so.
| Dimension | Tenable OT Security | Claroty | Dragos | Nozomi Networks | MS Defender IoT | Armis |
|---|---|---|---|---|---|---|
| Position | OT within converged exposure | OT pure-play (broad) | OT pure-play (ICS threat intel) | OT pure-play (visibility) | Bundled if on Microsoft | Asset intelligence (IT/OT/IoT) |
| Industrial-protocol depth | Good (honest: not deepest) | Deep | Deep | Deep | Growing | Broad, less deep |
| OT threat intelligence | Good (Tenable Research) | Strong | Best-in-class (ICS) | Strong | MS intel | Good |
| OT-safe collection (passive-first) | Passive + targeted active | Passive + active | Passive-focused | Passive-focused | Passive | Passive (agentless) |
| Converge IT + OT (one exposure view) | Yes — Tenable One (the edge) | OT-focused | OT-focused | OT-focused | MS stack | Asset breadth |
| Detection & response (full OT-SOC) | Detection + forensics (not full SOC) | Detection | OT threat detection/response | Detection | MS XDR-tied | Detection |
| Best fit | Converge IT+OT in one exposure view | Broad OT pure-play depth | Deepest ICS threat intel/response | OT visibility pure-play | Already deep in Microsoft | Broad asset intelligence (IT/OT/IoT) |
Which email-security approach fits you?
Honest fit signals — because the fastest way to lose your trust is to pretend one product wins every scenario.
Choose Tenable OT Security if…
- ✓You want to CONVERGE IT and OT into one exposure view (Tenable One) — the whole attack surface, including the IT/OT boundary
- ✓You already run Tenable for IT vulnerability/exposure and want OT in the same picture, not a separate silo
- ✓You need OT visibility (Instant OT Discovery), OT-safe collection (passive-first) and OT vulnerability management + threat detection
- ✓You’re an Indian PSU/utility/manufacturer needing on-prem/residency fit — with TechBag adding honest scoping (vs pure-plays), INR/GST and support
Claroty / Nozomi if…
- ✓You want a broad OT pure-play with deeper industrial-protocol coverage — OT is your whole world and specialist depth is the priority (TechBag advises honestly)
Dragos if…
- ✓You want the deepest, dedicated ICS-specific threat intelligence and OT-attack response — the OT threat-intel specialist
Microsoft Defender for IoT / Armis if…
- ✓You’re deep in Microsoft (Defender for IoT bundled) or want broad asset intelligence across IT/OT/IoT (Armis)
Remember — this is OT exposure, not a full OT-SOC
- ✓Tenable OT gives visibility, VM, detection & forensics — for a full managed OT-SOC you pair it with services. TechBag scopes that.
What do email threats cost you?
Drag the sliders (OT assets/sites; OT vulnerabilities & anomalies per month; hour cost as loaded rate). Estimates contrast an OT blind spot (unknown assets, unassessed OT vulnerabilities, unmonitored controller changes, IT/OT boundary blind) vs Tenable OT Security (Instant OT Discovery, OT VM, threat detection & forensics, converged IT+OT view) — the wins are industrial risk reduced without disrupting operations, controller tampering caught, and OT folded into one exposure view. Illustrative — and TechBag will say if a pure-play fits better.
Loaded cost = salary + overheads per productive hour. Illustrative only — your TechBag quote models actual device counts and modules.
Three ways to consume it
Tenable OT Security is quote-priced — typically per site / per OT asset (in USD), scaled by number of sites, devices and sensors, plus any services. Treat any figure as indicative. Tenable bills USD; TechBag scopes the OT estate — and honestly compares vs the pure-plays — and handles INR/GST — quote current figures.
Tenable OT Security (by quote)
Best for converged IT+OT
- OT asset inventory (Instant OT Discovery) — seen safely (passive-first + active)
- OT vulnerability management + threat detection + controller-change forensics
- The edge: converge IT+OT into one exposure view (Tenable One)
+ Platform add-ons
Best for a broader rollout
- Scoped to your estate
- Add-on modules as needed
- Phased, right-sized deployment
+ honest scoping & local support
Best value with TechBag
- Honest Tenable-vs-pure-play matching (Claroty/Dragos/Nozomi go deeper on OT)
- OT exposure/detection, NOT a full OT-SOC; on-prem/residency fit for PSU
- TechBag adds INR/GST invoicing, DPDPA-residency help & local support
Buy it for less — TechBag pricing beats list
Whatever the list prices above, TechBag negotiates a significantly better deal — with GST-compliant INR invoicing and local support. Ask us for your discounted quote.
Get an India-ready quote
Tell us your device counts and current tools — we’ll model it against what you spend today.
The 8 questions to ask every vendor
Take this into your next vendor call — including ours.
Can’t see all your OT assets? Instant OT Discovery builds the inventory — safely, passively — you can’t secure without.
Worried a scan could disrupt fragile controllers? Passive-first (safe) plus targeted active querying is the OT-appropriate way.
Already run Tenable for IT? Fold OT into the same exposure view (Tenable One) — the real edge — not a separate OT silo.
Worried about attacks crossing from IT into OT? Boundary visibility watches the seam attackers cross.
Priority is deepest OT-specialist protocol/threat-intel depth? Honestly, a pure-play (Claroty/Dragos/Nozomi) may win — TechBag says so.
Want a full managed OT-SOC? This is OT visibility/VM/detection — pair with services for a SOC. TechBag scopes it.
Indian PSU/utility/manufacturer with on-prem/residency needs? Tenable’s on-prem heritage fits. TechBag confirms residency.
Tenable OT Security is quote-priced (per site/asset, USD) — TechBag scopes it, adds INR/GST invoicing and local support.
Questions buyers ask
Ready to see and secure your OT — honestly?
Scope Tenable OT Security (OT/ICS visibility, VM and threat detection — seen safely — with the edge of converging IT+OT in Tenable One) — and let a TechBag advisor scope your OT estate, compare honestly vs the pure-plays (Claroty/Dragos/Nozomi), confirm on-prem/residency fit for PSU/utilities, recommend whichever fits, and add INR/GST and local support.
Stats, ratings, review counts and pricing are illustrative and sourced from public materials; verify before purchase.