Anonymous claims to count coup against Israeli sites with cyber operations supporting Hamas in Gaza.
Apparent ISIS supporters associated with Anonymous are being generally credited with the now-remediated Playstation denial-of-service attack, and also with the bomb threat against a Sony-executive-carrying aircraft.
South Korea's Defense Ministry discovers a cyber campaign against journalists on the defense beat. The MoD attributes the campaign to China.
European automobile manufacturers are currently under cyber attack via phishing of customer service departments — the malicious emails carry an information-stealing Trojan.
Jailbroken iPhones continue to be exploited. An Android side-channel attack could spread to other platforms.
The Kelihos botnet is criminally controlled and no hacktivist tool, but its botmasters are cloaking themselves in Russian patriotism to recruit collaborators in attacks on networks in countries that have imposed sanctions on Russia. (But it remains a criminal enterprise.)
A new variant of GameoverZeus appears in the wild, using, according to Damballa, domain generation algorithms.
In the US, Secret Service warnings of point-of-sale threats suggest Backoff malware is a coordinated criminal effort. The FBI warns healthcare providers that they've become a prime target of hackers (probably because they've proved a relatively soft target).
Healthcare cyber concerns are, of course, heightened by the recent breach of Community Health Systems. The costs of this attack are thought to be very high. There's much related discussion of the difficulty of assessing cyber risk, but consensus is that cyber is an ongoing enterprise risk still overlooked by boards. It's also overlooked during merger-and-acquisition due diligence.