Let’s Encrypt Restores Services After Certificate Issuance Interruption
PremiumShort halt on issuance due to a cross-signed root issue; service restored after hours with mitigations.

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Follow on LinkedInShort halt on issuance due to a cross-signed root issue; service restored after hours with mitigations.
CVE-2026-6973 exploited in targeted attacks; patches released to mitigate. Immediate patching recommended.
Three critical disclosures in Microsoft 365 Copilot and Copilot Chat were remediated; end-user action not required per advisories.
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Subscribe freeNew Mirai-derived botnet targets exposed ADB on IoT devices for large-scale DDoS; isolate exposed endpoints and rotate credentials.
Exim fixes address memory corruption, crash and data leakage risks across widely used mail servers.