Maintainers of the PHP programming language released the latest versions of PHP to patch multiple high-severity code execution vulnerabilities.
Source: Multiple Code Execution Flaws Found In PHP Programming Language

Avast has an interesting article describing how they along with the Frensh police have taken over a botnet with some 850.000 PCs.

 Retadup is a malicious worm affecting Windows machines throughout Latin America. Its objective is to achieve persistence on its victims’ computers, to spread itself far...