- Published
- Source
- DataBreaches.net
- Filed under
- Data breaches, Ransomware, Attacks
Audrey Liza M. Nolasco reports: Japan is confronting a mounting cybersecurity crisis, with a ransomware attack disrupting hundreds of organisations and a series of separate breaches putting millions of customer records at risk. One alarming detail: experts estimate that stolen Japanese driver’s licence images could be offered on dark-web markets for as little as ¥25,… Source…
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
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