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- Security Affairs
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- Ransomware, Attacks
Russian extortion group n0n claims to have stolen nearly one billion Expedia traveler records through a compromised third-party provider. A newly formed Russian cyber extortion group called n0n claims it has hit Expedia, the world’s second-largest online travel agency, and taken data on nearly one billion travelers. Expedia confirmed to Skift on Thursday that attackers…
What defenders check after a story like this
- Backups kept offline or immutable – and a restore you have actually tested.
- Multi-factor authentication on every remote way in, with VPNs and firewalls patched first.
- Alerts for the warning signs: new admin accounts, security tools switched off, mass file changes, large uploads.
More helpNCSC: mitigating malware and ransomware attacks (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Trusted Relationship
Initial AccessWhat a defender checks
- List the suppliers with access into your systems, and how they connect.
- Give third parties separate, least-privilege accounts – and monitor them.
- Ask the supplier for indicators of compromise and a timeline.
Build the skillBlue Team Engineer, Risk Assessment & Recommendations Reporting
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- Scope, attacker path and dwell time
- Threat hunting with ATT&CK and KQL
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