Sophos NDR
2.1.0Released May 14, 2026 commercialThe section your link pointed to isn't on Sophos NDR's page any more, so we've brought you to the top.
Sophos NDR (Network Detection and Response) monitors network traffic to detect and respond to threats, suspicious activity, and anomalous behaviour across an organisation's environment.
Summary
Sophos NDR is a commercial network-analysis tool that monitors network traffic to detect and respond to threats, suspicious activity, and anomalous behaviour across an organisation's environment. It is run as a service and is intended for SOCSOCA security operations center, the team or function that monitors threats, investigates alerts and coordinates incident response. Its work can be internal, outsourced or shared. analysts. Its documentation positions it alongside similar solutions in the network-detection space, and tracking shows two releases within the period we observe, with the last one occurring 116 days ago.
Sophos NDR (Network Detection and Response) monitors network traffic to detect and respond to threats, suspicious activity, and anomalous behaviour across an organisation's environment.
How Sophos NDR helps
Which devices on this network are talking to infrastructure they have no business talking to?
correlates observed traffic against threat intelligence and behavioural baselines and flags the connections that fall outside normal patterns for that device
Is there activity happening right now that no other security tool has caught?
watches traffic continuously for suspicious and anomalous behaviour rather than relying on signatures alone, surfacing patterns that indicate an active threat
Which hosts are behaving differently than they normally do?
builds a baseline of typical behaviour for devices across the environment and calls out deviations from that baseline as anomalies worth investigating
How far has a threat spread once it lands on one machine?
tracks traffic and behaviour across the environment so a detected threat on one device can be followed through its connections to others
What should the SOC team look at first out of everything happening on the network?
detects and prioritises suspicious and anomalous activity so analysts are pointed at the threats and behaviours that matter rather than raw traffic volume
Languages
Score card
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Shipping velocity releases a month, last 12 months
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Documentation quality release-notes rubric, 0–100
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Breaking-change discipline how rarely a release breaks users, and notice given
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Maintenance risk quiet time against its own cadence, maintainers
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Innovation & surface new capabilities, API and MCP surface
Five scores for Sophos NDR, each built from the releases, notes and API history this site tracks — and, on Researcher and Business, where it stands among every measured tool in its category and how that has moved.
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Blank means never measured; nothing here is a filled-in zero.
Peer standings are included with Researcher and Business. See how this tool ranks against its competitors, using data we don't publish anywhere else.
See plans →Each score is 0–100 on a published rubric, derived from data this site already shows. A dimension we cannot measure says so — it is never scored 0 and never enters a rank.
How this is scored
- Shipping velocity — releases a month over the last 12 months, on a log scale where 16 a month scores 100. Needs 3 releases in the window.
- Documentation quality — the release-notes rubric published on the analytics page, unchanged.
- Breaking-change discipline — the share of releases carrying a breaking change (none scores 100, half or more scores 0). Only projects that label breaking changes are measured: a clean record cannot be told from an unlabelled one.
- Maintenance risk — quiet time measured against the tool's own release cadence (quiet longer than 90 days and three typical gaps scores 0), plus the number of active maintainers and whether contributors are growing, where known. Higher is lower risk.
- Innovation & surface — new capabilities in the feature ledger this year, API and MCP operations added, and the share of commits that are features: the mean of whichever we hold.
- Community health (open-source tools only) — each is a direction, not a size: contributors this year against last, the bus factor now against a year ago, and issues closed per issue opened, where steady scores 50, doubled 100 and halved 0; plus the median time to a maintainer's first reply (an hour scores about 100, a month or more 0). A commercial card has no repository and carries none of the four.
- Documented delivery (commercial tools) — when a vendor's documented new capabilities have slowed against its own baseline, that counts against the overall standing as heavily as two low dimensions. Steady delivery, or too little history to judge, leaves the standing alone; it is never a sixth score.
- Open-source tools are scored on repository signals; commercial tools on their published changelog. Ranks compare tools within one category and one profile and need at least five measured peers; the overall standing needs three ranked dimensions. Best-in-breed or consolidator is a shape, not a quality, and is never scored.
Release-note detail over time
See how much detail Sophos NDR puts in its release notes, quarter by quarter, and compare it with tracked tools in the same category. This history uses up to ten retained, reviewed notes per tool; sparse or blank older quarters may reflect that limit.
Checking release-note history…
Website history
sophos.com, every changeSophos's home page and 1 more page as they looked each month from September 2021 to October 2026: 12 renders, 3 changes of tagline or palette. Step through them, play them, or put any two months side by side.
Website history is included with Researcher and Business.
See plans → Already subscribed? Sign in →← → or h l a month · Shift a year · [ ] previous / next change · Space play · 1 2 3 page · T whole page · C compare · F full size
← → or h l the right month · Shift the left · S swap · W wipe · T whole page · Esc back
Rebranding timeline
Dates bound when a change appeared between captures. Possible rebrands are AI suggestions; a redesign alone does not establish a rebrand.
Releases
2 entries
No entries match these filters.
- May 20261
- February 20261
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