- Compromised account detection: this is a “classic UBA” usage – study account authentication and usage information to conclude that the account is being used by a malicious party [or, at least, by a different party]; this is often powered by some logic to relate multiple accounts to the same person and/or logic to build sessions of user activity.
- Compromised system/host/device detection: by detecting things like attacker lateral movement, C&C activity, access to bad domains [unknown ones, not just via TI!], various telling host and network anomalies, etc reach a conclusion that a system is under malicious control; this use case covers many data sources and a lot of fairly dissimilar methods of “sense-making”
- Data exfiltration detection: notably, DLP has not fully solved this one (ha!), but has since become a popular UEBA data source; data theft (“exfil”, if you want to sound cool!) detection by trusted insiders and outsiders (as well as their malware) presents a common UEBA tool use case.
- Insider access abuse: this is a fuzziest on the list, this focuses on detecting malicious and risky behavior by legitimate trusted insiders, and includes all forms of privileged access abuse and misuse, among other things; typically powered by user profiling, outlier detection and risk scoring of the results
- Gaining additional insight about the environment: a broad use case where UEBA tools are used for gaining better situational awareness; this also includes improved alerts prioritization and support for triage and investigation activities (yes, if you have to ask, hunting too)
- Custom use case: a good UEBA tool should be able to address a weird client-specific user behavior analytics scenario, ideally without coding and [much] data science knowledge on behalf of a client.
As a side note, to those of you who object to the above because “these are too high-level”…OK…sure, they are. So you can treat them as use case groups or use case types. Or, clusters, if you want to sound smart and “data-science-y”…
Thoughts? Ideas? Additions? Complaints? Silly remarks about “but we have AI!!!”?
Related blog posts about security analytics:
- UEBA Clearly Defined, Again?
- Comparing UEBA Solutions (by Augusto)
- What Should Your UEBA Show: Indications or Conclusions?
- UEBA Shines Where SIEM Whines?
- The Coming UBA / UEBA – SIEM War!
- Next Research: Back to Security Analytics and UBA/UEBA
- Sad Hilarity of Predictive Analytics in Security?
- Security Analytics Webinar Questions – Answered
- On Unknown Operational Effectiveness of Security Analytics Tooling
- My “Demystifying Security Analytics: Sources, Methods and Use Cases” Paper Publishes
- Now That We Have All That Data What Do We Do, Revisited
- Killed by AI Much? A Rise of Non-deterministic Security!
- Those Pesky Users: How To Catch Bad Usage of Good Accounts
- Security Analytics Lessons Learned — and Ignored!
- Security Analytics: Projects vs Boxes (Build vs Buy)?
- Do You Want “Security Analytics” Or Do You Just Hate Your SIEM?
- Security Analytics – Finally Emerging For Real?
- Why No Security Analytics Market? <- important read for VCs and investors!
- More On Big Data Security Analytics Readiness
- 9 Reasons Why Building A Big Data Security Analytics Tool Is Like Building a Flying Car
- “Big Analytics” for Security: A Harbinger or An Outlier?
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