British police have arrested a third suspect in connection with the hack attack against telecommunications provider TalkTalk. Separately, Vodafone UK also issued an alert of a breach, which it traced to reused passwords.
A third data breach affecting TalkTalk has prompted sharp questions from U.K. public officials about whether stronger breach notification laws and breach-related penalties might help prevent more such incidents from occurring.
Financial services firm E*Trade and publisher Dow Jones are separately warning their customers and subscribers that their personal information - and in some cases, payment card data - may have been compromised in a cyberattack campaign.
Credit-rating provider Experian says a hack attack compromised a server storing sensitive personal information on millions of T-Mobile customers, including those requiring credit checks for service or device financing.
The hotel chain bearing 2016 U.S. presidential candidate Donald Trump's name has confirmed that its point-of-sale systems were malware-infected for more than a year, but it's downplaying the possibility that card data was exfiltrated or used to commit fraud.
The severity of the U.S. Office of Personnel Management breach continues to grow, with investigators now reporting that hackers stolen 5.6 million people's fingerprint data. The theft may have security implications well into the future.
Security experts trace many of the world's cybercrime attacks to Russia. But Russian authorities never extradite suspects, and they allow hackers to operate with impunity - if they play by some ground rules.
Yet another health insurer - Excellus BlueCross BlueShield - has belatedly discovered that its systems were hacked. The breach potentially exposed information on 10.5 million individuals, was discovered in August, but appears to have begun in 2013.
The Internal Revenue Service says cyber thieves may have accessed as many as 334,000 taxpayer accounts in a breach of its Get Transcript system, far more than the 114,000 accounts it originally estimated in May.
More than 3,000 National Health Service patients had their personal data exposed when an employee lost an unencrypted memory stick in a parking lot, violating NHS policies. But creating policies isn't the same as enforcing them.
Italian surveillance software maker Hacking Team has confirmed that it was hacked and recommends police, law enforcement and government agencies suspend their use of its software, pending a full breach investigation.
Polish airline LOT claims that a hack attack disrupted its ground-control computers, leaving the airline unable to issue flight plans and forcing it to cancel or delay flights, grounding 1,400 passengers.