Analysis of the stage after a breach, why copied data keeps its value and what organisations can do about it, alongside company announcements. Subscribe to the Post-Breach Briefing or follow the RSS feed.
Insights
- Post-Breach Briefing, Issue 1: the breach ends, the data doesn't Three 2025 incidents show what happens to stolen data after systems recover, and why control has to hold after exfiltration.
- When a breach happens, stopping the attack is only half the job Incident response removes the attacker and restores systems. A second question remains: what happens to data that has already left the building?
- Identity infrastructure failed again: why post-breach data control must become standard A reported exposure of identity-verification records across 26 countries shows why structured KYC data needs controls that hold after a breach.
- Data theft is accelerating in 2026: why post-breach control is now a board requirement Data theft and extortion now drive many breaches. Why the real cost arrives after the incident, and what boards should ask about stolen data.
- 149 million passwords exposed: why credential leaks are becoming the new normal An exposed database of 149 million credentials points to infostealer malware on endpoints, and to why controls must hold after credentials leak.
- From Harvard Yard to the M&S checkout: what two breaches say about post-breach data risk A phishing attack on Harvard's alumni systems and a costly incident at Marks & Spencer share one lesson: copied data keeps its value after systems recover.
- JLR's cyberattack: when one breach shows up in national GDP The Jaguar Land Rover incident showed how one cyberattack can reach supply chains and national output, and why the data taken matters after recovery.
Announcements
- PastWipe strengthens its architecture around enterprise security requirements PastWipe strengthens its architecture around client-controlled data and keys, a zero-access operating model, scoped incident states and verifiable evidence.
- PastWipe announces RepSec-Q, extending RepSec toward post-quantum resilience RepSec-Q extends PastWipe's optional RepSec protocol toward post-quantum resilience for policy, validation and evidence controls.
Post-Breach Briefing
A short quarterly email on post-breach data risk: notable incidents, what changed in regulation and insurance, and PastWipe product news. No more than four emails a year. You confirm by email before anything is sent, and you can unsubscribe at any time.
Media
Press resources and approved descriptions are on the press page. Media enquiries: info@pastwipe.com. RSS feed