- Published
- Source
- Help Net Security
- Filed under
- Ransomware, Law & courts, Attacks
A 16-year-old is suspected of being the main operator of KillSec, a ransomware group that Eurojust says is responsible for almost 1,000 attacks worldwide. Seizure notice (Source: Eurojust) According to Eurojust, KillSec has been active since 2024. The group got into organizations’ systems by exploiting poorly secured access, particularly access linked to cloud storage. “Once…
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)
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Blue Team Specialist
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
- Root cause analysis and reporting
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