Gregg Keizer covers Microsoft, security issues, Apple, Web browsers and general technology breaking news for Computerworld. Follow Gregg on Twitter at , on or subscribe to . His email address is .
See .
CAPTION: Google has begun putting this warning at the top of its Gmail page if it suspects that the user may have been targeted by what it called "state-sponsored" hackers.
in Computerworld's Cybercrime and Hacking Topic Center.