Security experts warn that "active defense" or "strike-back" techniques could escalate the battle with hackers.
Hackers breached Yahoo and exposed more than 450,000 passwords, but Yahoo is to blame for making it easy.
The hackers say they were able to obtain the credentials through an SQL injection, a common attack method that gave Sony so much trouble in 2011.
The number of people streaming video and sharing files in the workplace has increased exponentially since November 2011.
IT security threats are constantly evolving. It's time for IT security pros to get ingenious.
You might see the whole DNSChanger ordeal as overblown. On the other hand, the information campaign worked.
FBI says 64,000 US-based Internet users impacted by DNSChanger Malware. PCWorld talks with representatives from AT&T, Comcast, and Verizon about what's next.
The passwords used by the eHarmony site visitors shows that names of sports teams, dogs, states and masculine and feminine names formed the foundation of many of the passwords.
As many as 300,000 PCs and Macs will drop off the Internet in about 65 hours unless their owners heed last-minute calls to scrub their machines of malware.
A Home Office official has warned once again that with the Olympic Games only weeks away the country faces an unprecedented threat from cyber-attacks.