Michael KanU.S. Correspondent, IDG News Service

Michael Kan covers security for the IDG News Service.

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How companies can deal with insider data theft

To learn that your company's data was stolen, not from any hacker, but from an employee is the nightmare scenario that no one wants to face. But it's also a risk that's very real.

Yahoo Corporate

Yahoo's secret email scans helped the FBI probe terrorists

What Yahoo was looking for with its alleged email scanning program may have been signs of code used by a foreign terrorist group.

NSA headquarters

FBI arrests an NSA contractor suspected of stealing hacking tools

The FBI has arrested a U.S. government contractor for allegedly stealing classified documents, which may involve hacking tools from the National Security Agency.

Yahoo

Yahoo calls report of secret email scanning 'misleading'

Yahoo has called a Reuters article about a secret email scanning program "misleading," and said no such system exists.

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Hacked voter registration systems: a recipe for election chaos

How do you disrupt an election? Hacking a voter registration database could very well do just that.

Yahoo

US tech giants say they didn't do Yahoo-style email spying

Reports of a secret Yahoo program to search through customers' incoming emails has spurred other tech companies to deny ever receiving a similar request from the U.S. government.

US Capitol

WikiLeaks plans to dump more sensitive files on US election

WikiLeaks is promising to release secret documents relating to the U.S. election, at a time when questions are already arising over whether Russian hackers are feeding the site information.

yahoo mail

Yahoo may have allowed US government to search user emails

Yahoo has reportedly searched through all of its users' incoming emails with a secret software program that's designed to ferret out information for U.S. government agencies.

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Massive smart device botnet highlights the dangers of default passwords

A botnet responsible for a massive DDOS (distributed denial-of-service) attack was created thanks to weak default usernames and passwords found in internet-connected cameras and DVRs.

NSA headquarters

Anyone? Anyone? Hackers find little demand for their stolen NSA hacking tools

The hackers who are auctioning off cyberweapons allegedly stolen from the National Security Agency appear to be growing desperate for cash.

dresscode

Android malware that can infiltrate corporate networks is spreading

An Android Trojan is spreading across app stores, including Google Play, and has the capability of stealing sensitive files from corporate networks.

ios10

Bounty for iOS jailbreak exploit jumps to $1.5 million

The value for zero-day exploits targeting Apple's iOS software is jumping. On Thursday, a company called Zerodium began offering as much as $1.5 million for them.

Yahoo Corporate

Yahoo hackers weren't state-sponsored, a security firm says

Common criminals, not state-sponsored hackers, carried out the massive 2014 data breach that exposed information about millions of Yahoo user accounts, a security firm said Wednesday.

yahoo mail

Six senators demand more details about the Yahoo data breach

Six U.S. senators called Yahoo's belated discovery of a massive data breach "unacceptable," and they're demanding that the company provide more details.

Yahoo

Yahoo's claim of 'state-sponsored' hackers meets with skepticism

Yahoo has blamed its massive data breach on a "state-sponsored actor". But the company isn't saying why it arrived at that conclusion. Nor has it provided any evidence.