Latest cybersecurity reporting from selected sources.

New NSA Guidance Demands Continuous Access Checks, Implementation OverhaulThe National Security Agency's new zero trust guidance instructs agencies to move beyond login-based security by continuously assessing user behavior and app-layer activity in real time, aiming to close gaps that allow post-authentication abuse and elevate federal defenses against modern threats.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and National Security Agency (NSA), along with international partners from Australia and Canada, have released guidance to harden on-premise Microsoft Exchange Server instances from potential exploitation

The NSA and FBI warned that the APT43 North Korea-linked hacking group exploits weak email Domain-based Message Authentication Reporting and Conformance (DMARC) policies to mask spearphishing attacks. [...]