If the Chinese government hacked the U.S. Office of Personnel Management for espionage purposes, then the U.S. government's $133 million contract to provide ID theft monitoring services is a waste of money. Instead, the agency could have used the funds to safeguard its systems against future attacks.
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.
Mozilla, which maintains the Firefox browser, says an attacker infiltrated its bug-tracking tools, stole information on an unpatched flaw, and exploited users for at least three weeks, before the flaw was patched.
Match.com suspended all advertising on its U.K. site after discovering that one of its third-party advertising provider's networks had been infiltrated by a malware-serving campaign. The incident follows U.K. dating site Plenty of Fish recently falling victim to a similar campaign.
Britain's data protection watchdog is investigating two suspected data breaches - one involving the leak of HIV patients' identities, and the other involving the leak of personal information on magazine subscribers.
Sony Pictures Entertainment has reached a tentative deal to settle a class-action lawsuit filed against it, stemming from its 2014 data breach, which resulted in the leak of personal information for up to 50,000 employees.
More hackers are exploiting remote-access and network vulnerabilities, rather than installing malware to invade networks and exfiltrate data, says Dell SecureWorks' researcher Phil Burdette. That's why conventional breach-detection tools aren't catching the intrusions.
Policymakers must consider three factors before imposing sanctions in retaliation for state-backed hacks: Confidence in its attribution of responsibility, the impact of the incident and the levers of national power at a state's disposal.
Underground cybercrime forums continue to evolve, offering services ranging from cybercrime toolkits and money laundering to bulletproof hosting and a service that reviews exfiltrated data for corporate secrets, says cybersecurity analyst Tom Kellermann of Trend Micro.
The departure of Noel Biderman as CEO of Avid Life Media, parent company of the infidelity website Ashley Madison, represents a growing recognition of corporate executives' responsibility for data security.
CISOs who want to keep more cyber-attacks from succeeding should focus on decreasing the half-life of vulnerabilities, which refers to the amount of time it takes half of all systems affected by a vulnerability to get patched. That's the advice from Qualys' Wolfgang Kandek.
Breached dating site Ashley Madison is offering a $500,000 reward for information relating to the attack. The FBI, which is leading the investigation, is treating the breach as a national-security matter.