2026-06-27 · cisa
CISA added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog on June 25, 2026, based on evidence of active exploitation. The KEV catalog is one of the clearest official signals that attackers are using specific flaws in the wild. For organizations protecting critical records, the practical takeaway is that exposed systems can become compromised before ordinary patch cycles catch up.
CISA's June 25 alert added two exploited vulnerabilities to the KEV catalog and directed organizations to prioritize remediation. KEV entries matter because they are not theoretical risks; they reflect vulnerabilities with evidence of real-world exploitation.
Once attackers gain footholds through known exploited bugs, ransomware and destructive activity can move from initial access to credential theft, data staging, and backup targeting. The direct cost is downtime, but the larger loss is often the inability to trust or restore business-critical records after compromise.
Cold storage gives defenders a recovery path that active attackers cannot easily encrypt, delete, or corrupt from a compromised network session. Offline, immutable, and periodically tested backups turn KEV-driven incidents from existential data-loss events into contained rebuild and recovery operations.
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