Microsoft has revealed that the APT33 Iranian cyber-espionage group, also known as Peach Sandstorm, is using a new backdoor malware called FalseFont to attack global defense contractors. The attacks provide the operators remote access to the compromised systems, extending their reach into government, defense, research, finance, and engineering sectors.

Let’s Encrypt Halts Certificate Issuance After Cross-Signed Root Certificate Incident
Let’s Encrypt temporarily suspended all certificate issuance on May 8, 2026, after engineers identified a critical issue involving a cross-signed certificate linking the organization’s Generation


