Check your sites header for security problems
A breakdown of various http-headers and what impact they have on the security of your site. When read and implemented you should be able to get a better grate on the securityheaders.io tests.
Full breakdown in the article linked to below.
Android january updates
5 vulnerabilities rated as critical, which one of them is an remote code execution vulnerability. This vulnerability is exploitable through email, web and mms when processing media files.
Patch for Nexus devices are already released, other brands will have to wait for carriers / oems to release updates.
Cisco Jabber STARTTLS Downgrade Vulnerability
A vulnerability in the Cisco Jabber client could allow an unauthenticated, remote attacker to perform a STARTTLS downgrade attack.