A group of hackers claims to have access to over 220 million iCloud accounts
The vulnerabilities could allow attackers to gain administrative privileges and execute malicious PHP code on web servers
Two teams of researchers chain multiple vulnerabilities together to escape from a guest OS running inside a VMware Workstation virtual machine
Many security products that intercept HTTPS traffic don't properly validate certificates, US-CERT has warned
The attacks use PowerShell and open-source tools like Mimikatz and Meterpreter loaded directly in memory
The flaw can allow attackers to execute arbitrary commands as root on affected devices
The annual hacking contest has a prize pool of $1 million
The company's March security updates include the fixes skipped in February
The attackers patch Petya on the fly to use their own encryption key, bypassing the malware's original creators in the process
HTTPS websites get a speed boost, better search engine rankings and fewer browser warnings
