There are two Yahoo conspiracy theories: It was hacked by a "state-sponsored actor," and it disabled email forwarding to prevent a post-breach exodus. Although neither scenario appears to be true, that doesn't mean the badly breached search giant is in the clear.
Neutering the army of web-connected devices used in the large internet attack that hampered access to major sites - including Amazon, PayPal, Spotify and Twitter - is technically possible. But no option offers either a great or near-term fix.
Massive DDoS attacks, targeting DNS provider Dyn, have triggered widespread internet disruptions. Security intelligence firm Flashpoint says the attacks have been perpetrated at least in part via a botnet of Mirai-infected internet of things devices.
Authorities say Yevgeniy Aleksandrovich Nikulin stole credentials from a LinkedIn employee and used them to breach the social networking firm in 2012, in which well over 100 million members' passwords were exposed.
Investment firm Muddy Waters Capital and security research start-up MedSec Holdings are again stirring up controversy, this time by releasing a video spotlighting more alleged cybersecurity flaws in St. Jude Medical cardiac devices.
Yahoo is appealing to the U.S. director of national intelligence to declassify an order that allegedly required the company to install secret spying software that scanned incoming email accounts for specific content.
Yahoo, now negotiating its sale to Verizon, has posted an increase in quarterly profits and page views, bolstering its case that its massive data breach didn't irrevocably damage its value. But with ad revenues in decline, time is running out.
When it comes to describing the top fraud threats to UK financial institutions, it's all about compromised identities and credentials, says John Marsden of Equifax. How can organisations prove their customers are who they say they are?
Russian hackers may think twice before traveling outside the country for a vacation in light of the arrest of alleged 2012 LinkedIn hacker "Yevgeniy N." by Czech police at a restaurant in Prague earlier this month.
WikiLeaks leader Julian Assange's interference in the U.S. elections has earned the Ecuadorian embassy in London's houseguest a slap on the wrist as his internet connection gets taken away. In the interim, maybe he can take up knitting?
A recent breach reported by an Arlington, Texas-based pediatric clinic serves as the latest reminder of the substantial risks ransomware poses to patient data. The clinic offers advice to others based on difficulties it experienced in the response to the attack, and security experts also provide insights.
As U.S. ATM operators face MasterCard's Oct. 21 EMV liability shift deadline, a surge in explosive attacks against European ATMs is a reminder that anti-fraud features won't block all money machine crime.