- Published
- Source
- DataBreaches.net
- Filed under
- Data breaches, Attacks
Joseph Topping reports: The City of Vicksburg, Mississippi, has shut down its computer systems after a ransomware attack, potentially delaying in-person utility payments while emergency response and utility service continue. Mayor Willis Thompson told The Vicksburg Post that the city had disconnected its internet operations. “We had to bring our internet operations down, just for……
Think your details were in it?
- Check your email address at Have I Been Pwned – it lists the breaches your details have appeared in.
- Change that service's password, and any other account that used the same one. A password manager makes every password unique.
- Turn on two-step verification, and expect scam messages that quote the leaked details to sound convincing.
More helpHave I Been Pwned (opens in a new tab)NCSC: top tips for staying secure online (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
© 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.
MyCyberWay training
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
Headlines and short summaries only, except where a public body publishes under an open licence. Every story links to its publisher, who owns it. MyCyberWay does not edit or endorse third-party reporting.
