- Published
- Source
- Security Affairs
- Filed under
- Ransomware
Silent Ransom Group allegedly extorted $207 million from 27 law firms in six months using phone calls and social engineering, not encryption. Silent Ransom Group doesn’t rely on encryption. No malware payload, no locked files, just phone calls and social engineering aimed almost entirely at law firms, and apparently it works extraordinarily well. A new…
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.
Data Encrypted for Impact
ImpactWhat a defender checks
- Isolate affected hosts from the network to stop the spread.
- Confirm backups are offline and restorable – then test a restore.
- Hunt for what came first: new admin accounts, disabled security tools, remote-access software.
Build the skillBlue Team Engineer · Incident Management & Response Engineering
Impersonation
StealthWhat a defender checks
- Confirm any change of payment details on a number you already hold – never the one in the message.
- Make the help desk verify identity before resetting passwords or MFA.
- Brief finance and help-desk staff on the current pretexts.
Build the skillBlue Team Analyst · Email & Phishing Investigation
© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.
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Breaches like this get investigated, not just reported.
Blue Team Specialist takes the Analyst curriculum and adds the investigator's work: one incident owned end to end, hypothesis-led threat hunting with MITRE ATT&CK and KQL, breach analysis, and a root cause report people can act on.
- Scope, attacker path and dwell time
- Threat hunting with ATT&CK and KQL
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