BlueHammer became public on April 2 in an unusual fashion. A researcher using the names Chaotic Eclipse and Nightmare Eclipse ...

CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.

Explore the latest news and expert commentary on Application Security, brought to you by the editors of Dark Reading ...

As the US demonstrates it can wield an AI ‘kill switch’, the EU and UK unleash a wave of sovereign tech measures. Can state-led industrial policy bridge a $2tn revenue chasm? Continue Reading ...

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[4] See additional SQL Server 2022 secure enclaves updates. [5] SQL Server Enterprise edition only. [6] The bidirectional disaster recovery capability of the Link feature for Azure SQL Managed ...