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Sophos NDR
See what your endpoint tools can’t — Sophos NDR analyses network traffic to catch threats on unmanaged and IoT devices with no agent, feeding Sophos XDR and MDR.
How it’s rated
Full scoreboard ↓Quick answer
Sophos NDR (Network Detection and Response) catches the threats that endpoint and other tools can't see — by analysing network traffic. Its core value is the blind spot it closes: unmanaged and IoT devices. An endpoint agent can't be installed on a printer, an IP camera, an industrial sensor, a personal device or a rogue machine — yet these devices are on your network, and attackers love them precisely because nobody's watching. Sophos NDR analyses network traffic to detect threats and suspicious behaviour regardless of whether a device has an agent, so a compromised unmanaged device, lateral movement, or command-and-control communication that an endpoint tool would miss gets caught. It's part of the integrated Sophos portfolio — its detections feed into Sophos XDR and MDR, correlated with endpoint, email and cloud signals — so network threats are part of one coherent picture. For organisations that need visibility into the traffic and the agentless devices their other tools can't reach, Sophos NDR is the network-visibility layer.
The Sophos platform family
This page covers Sophos NDR — the network-visibility layer. The rest of the portfolio:
Quick facts
30-second orientation- Product
- Sophos NDR — network detection & response
- Vendor
- Sophos (founded 1985 · Thoma Bravo · Oxford, UK)
- The blind spot
- Unmanaged & IoT devices (no agent)
- The method
- Network traffic analysis
- Catches
- Compromised unmanaged devices, lateral movement, C2
- Agnostic to
- Whether a device has an agent
- Feeds
- Sophos XDR and MDR (correlated)
- The value
- See what endpoint tools can’t
- Licensing
- Per sensor / subscription
- In India via
- TechBag — quotes, PoCs, GST invoicing, Tier-1 support
Understand network detection before you buy it
Most product pages skip this. We start here — so you buy a capability, not a buzzword.
What is NDR?
Network Detection and Response — catching threats by analysing network traffic, so you see the unmanaged and IoT devices that can’t run an agent.
Its detections feed Sophos XDR and MDR, correlated with the other surfaces.
Endpoint-only vs endpoint + network — the honest table
What consolidation actually replaces, dimension by dimension.
| Dimension | Endpoint only (agentless blind spot) | Network detection (Sophos NDR) |
|---|---|---|
| Agentless devices | Invisible | Seen via traffic |
| IoT / rogue devices | Blind spot | Detected |
| The method | Needs an agent | Agent-agnostic (traffic) |
| Lateral movement | Missed | Caught in the traffic |
| Command-and-control | Unseen | Detected |
| Encrypted traffic | Blind | Behavioural detection |
| The context | Siloed network alert | Feeds XDR/MDR, correlated |
| The visibility | Endpoint only (blind spots) | Endpoint + network, complete |
It complements the endpoint and feeds XDR/MDR — for deepest standalone AI-NDR, compare the specialists.
The five pieces of the platform
Vendors love diagrams; buyers need to know what they’re actually operating. Here’s the whole platform, demystified.
Network Traffic Analysis
Analyses network traffic to detect threats and suspicious behaviour — the visibility that doesn’t depend on an agent being installed.
Agentless Coverage
Detects threats on devices that can’t run an agent — printers, IP cameras, IoT, personal and rogue devices — the assets attackers love because nobody watches them.
Behavioural Detection
Detects anomalies, lateral movement and command-and-control communication in the traffic — the attack behaviour an endpoint tool would miss.
XDR / MDR Feed
Its detections feed Sophos XDR and MDR, correlated with endpoint, email and cloud — network threats as part of one coherent picture.
Sophos Central
Managed from Sophos Central alongside the portfolio — network detection in one place with the rest of your security.
One agent on every machine, one console over all of them — modules attach without a second operational world.
Twelve capabilities. See, detect, correlate.
Sophos NDR closes the agentless blind spot — seeing the unmanaged and IoT devices your endpoint tools can’t, in the traffic.
Network Traffic Analysis
Analyses network traffic to detect threats — visibility that doesn’t depend on an agent being installed.
Agentless Coverage
Detects threats on devices that can’t run an agent — the unmanaged, IoT and rogue devices endpoint tools miss.
IoT & OT Visibility
Sees the printers, IP cameras, sensors and IoT devices attackers target because nobody’s watching them.
Unmanaged-Device Detection
Catches the compromised unmanaged and personal devices on your network that have no agent.
Anomaly Detection
Detects unusual traffic and behaviour — the signal of a threat, even without a signature.
Lateral Movement Detection
Catches the east-west movement in network traffic — an attacker spreading across the estate.
Command-and-Control Detection
Detects command-and-control communication — the attacker’s callback that an endpoint tool might miss.
Encrypted-Traffic Analysis
Detects threats even in encrypted traffic through behavioural analysis — no decryption required.
XDR Feed
Detections feed Sophos XDR — network signals correlated with endpoint, email and cloud into unified incidents.
MDR Feed
Feeds Sophos MDR too — the network layer of the world-leading managed detection and response.
Sophos Central
Managed from Sophos Central alongside the portfolio — network detection in one coherent picture.
Complements the Endpoint
The network layer that catches what the endpoint can’t — together, complete visibility.
Watch Sophos NDR in action
The product overview, modern NDR explained, and the XDR it feeds.
Sophos NDR: Product Overview
Network detection and response explained.
Sophos NDR: Product Overview
Sophos NDR overviewed by Sophos.
Demo: Sophos XDR Attack Simulation
The XDR that NDR feeds into.
Want a live, India-context walkthrough on your own fleet?
Book a guided demo →Endpoint agents can’t watch a printer. The network can.
Here’s what genuinely sets Sophos NDR apart from the alternatives.
The agentless blind spot is the risk
An endpoint agent can’t be installed on a printer, an IP camera, an industrial sensor, a personal device or a rogue machine — yet these devices are on your network, and attackers love them precisely because nobody’s watching. Sophos NDR analyses network traffic to detect threats regardless of whether a device has an agent, so the compromised unmanaged device that your endpoint tool is completely blind to gets caught. Closing that blind spot is NDR’s core value.
See what the endpoint can’t
Endpoint protection is powerful, but it can only see devices with an agent. NDR complements it by seeing the network — the traffic between all devices, managed and unmanaged alike. So lateral movement, command-and-control communication, and threats on agentless devices — all invisible to endpoint tools — become visible. The endpoint and network layers together give complete visibility; either alone has blind spots.
Behavioural detection, even in encrypted traffic
NDR detects threats by behaviour — anomalies, lateral movement, command-and-control patterns — not just signatures, so it catches novel attacks. And it can detect threats even in encrypted traffic through behavioural analysis, without needing to decrypt, so the growing share of encrypted network traffic (where threats increasingly hide) isn’t a blind spot either.
Feeds XDR and MDR
Sophos NDR’s detections don’t sit in a silo — they feed Sophos XDR and Sophos MDR, correlated with endpoint, email and cloud signals. So a network threat is part of one coherent incident (the unmanaged device that got compromised, correlated with the endpoint it then attacked), and the world-leading MDR gets the network layer too. That integration is a real Sophos advantage over a standalone NDR.
Especially valuable for IoT/OT-heavy estates
Organisations with lots of unmanaged, IoT or OT devices — manufacturing, healthcare (medical devices), retail, anywhere with connected non-computer devices — have the biggest agentless blind spot, and the most to gain from NDR. If a meaningful part of your estate can’t run an agent, network detection is how you protect it, and Sophos NDR brings that visibility into your integrated Sophos security.
The honest scope
Sophos NDR is a solid NDR, especially valuable within the Sophos portfolio (feeding XDR and MDR). Dedicated NDR specialists (Darktrace, ExtraHop, Vectra) go deeper on network-analysis sophistication. Sophos’s edge is the integration — network detection as part of the coherent XDR/MDR picture. For deepest standalone NDR, compare the specialists. TechBag scopes it.
The numbers behind the platform
What your Sophos NDR journey looks like
Blind-spot scoping
Your unmanaged/IoT/OT device reality, your network visibility gaps, and how NDR feeds your Sophos XDR/MDR. TechBag scopes it free.
NDR live
Sophos NDR sensors deployed; network traffic analysed; agentless and IoT devices visible; detections feeding XDR/MDR.
The blind-spot drill
Simulate a threat on an agentless device and lateral movement — watch NDR catch what endpoint tools miss, correlated in XDR.
Complete-visibility steady state
Endpoint + network visibility, agentless devices covered, correlated in the portfolio. TechBag models it in INR/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“NDR caught a compromised IP camera our endpoint tools were completely blind to — no agent, so no visibility, until NDR saw the traffic. The agentless blind spot is real, and this closed it.”
“It sees what the endpoint can’t — lateral movement and command-and-control in the traffic. Endpoint plus network gave us complete visibility for the first time.”
“For our medical-device-heavy estate, NDR was essential — most of those devices can’t run an agent. Network detection is how we protect them.”
“Its detections feed our Sophos XDR — the network threat correlated with the endpoint it attacked, one incident. The integration is the value.”
“Behavioural detection caught a threat in encrypted traffic without decryption — the growing encrypted blind spot, covered.”
“For deepest standalone NDR we weighed Darktrace. For network detection integrated with our Sophos XDR/MDR, this fit. Scope integration vs standalone depth.”
“It feeds our Sophos MDR too — so the managed team gets the network layer. One coherent managed defence, network included.”
“Managed in Sophos Central with the rest — network detection in one place with endpoint, email and cloud. Integrated, not siloed.”
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 network detection market — tap any vendor to see why it sits where it does.
TechBag NDR Market Grid
Execution strength vs product vision — the classic market map, minus the paywall.
NDR feeding Sophos XDR/MDR — this page’s subject.
Agentless Coverage × Integration
The grid nobody publishes — how well it covers agentless devices vs how integrated it is with the wider detection picture.
Agentless + integration — the corner it fills.
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.
Sophos NDR vs the NDR field
The NDR specialists and the endpoint-only baseline — honest lanes; the edge is the XDR/MDR integration.
| Dimension | Sophos NDR | Darktrace | ExtraHop | Vectra | Endpoint alone |
|---|---|---|---|---|---|
| Heritage & focus | NDR feeding Sophos XDR/MDR | AI NDR pioneer | NDR specialist | AI-driven NDR | Endpoint only |
| Agentless / IoT coverage | Yes | Strong | Strong | Strong | None |
| Network-analysis depth | Solid | The deepest AI | Deep | Deep | N/A |
| Platform integration | Feeds XDR + MDR | Darktrace stack | Integrations | Integrations | N/A |
| Fit / economics | Mid-market value | Premium | Premium | Premium | N/A |
| Best fit | Sophos orgs wanting NDR integrated with XDR/MDR | Deepest AI-NDR buyers | Wire-data NDR buyers | AI-attack-signal buyers | Endpoint-only estates |
Which network-detection approach fits you?
Honest fit signals — because the fastest way to lose your trust is to pretend one product wins every scenario.
Choose Sophos NDR if…
- ✓You need to see agentless, unmanaged and IoT devices
- ✓Feeding network detections into Sophos XDR/MDR matters
- ✓You want network + endpoint for complete visibility
- ✓You’re mid-market and Sophos-aligned
Choose Darktrace if…
- ✓You want the deepest self-learning AI NDR
Choose ExtraHop if…
- ✓Deep wire-data network analysis leads
Choose Vectra if…
- ✓AI-driven attack-signal NDR is your priority
Endpoint alone if…
- ✓Never — agentless devices are a real blind spot; add NDR
What does the agentless blind spot cost you?
Drag the sliders (count network devices; IT-hour cost as loaded security rate). Estimates assume ~1.5 hours per device per year of blind-spot risk on agentless/unmanaged devices, with ~65% removed by network detection that sees them via traffic — the avoided-breach value from catching the compromised IoT device is the larger, unpriced win. Illustrative.
Loaded cost = salary + overheads per productive hour. Illustrative only — your TechBag quote models actual device counts and modules.
Three ways to consume it
Sophos NDR prices per sensor/subscription. TechBag sizes the sensors and scopes the XDR/MDR feed in one GST quote.
Sophos NDR
Best for the blind spot
- Network traffic analysis
- Agentless & IoT coverage
- Lateral movement & C2 detection
+ Encrypted-traffic
Best for full visibility
- Behavioural detection in encrypted traffic
- No decryption needed
- The encrypted blind spot, covered
+ XDR/MDR feed
Best for one picture
- Feeds Sophos XDR
- Feeds Sophos MDR
- TechBag scopes integration vs standalone
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 NDR vendor
Take this into your next vendor call — including ours.
Simulate a threat on a device that can’t run an agent (IoT/printer) — verify NDR catches it via traffic. The blind spot, closed.
Test detection of lateral movement and command-and-control in the traffic — the attack behaviour endpoint tools miss.
Confirm behavioural detection works on encrypted traffic without decryption — the growing encrypted blind spot, covered.
Verify NDR detections feed Sophos XDR and MDR, correlated with other surfaces — network threats in one picture.
For IoT/OT-heavy estates, confirm coverage of those devices — the biggest agentless blind spot.
Confirm it complements (not replaces) endpoint — together, complete visibility across managed and unmanaged.
For deepest standalone AI-NDR, compare Darktrace/Vectra — Sophos’s edge is the XDR/MDR integration.
Size the sensors for your network — TechBag scopes and quotes in INR/GST.
Questions buyers ask
Ready to evaluate Sophos NDR?
Scope a blind-spot drill (catch a threat on an agentless device), test the XDR/MDR feed, or let a TechBag advisor size the network detection.
Stats, ratings, review counts and pricing are illustrative and sourced from public materials; verify before purchase.