As the US levies sanctions against Russia for its actions in Ukraine, US officials warn American enterprises to expect some Russian cyber retaliation. (Latvia and Moldova are similarly wary, probably with even greater reason.) Russia clamps down on social media as it upgrades its cyber alert posture.
An investigation concludes that Chinese intelligence services pwned Australian parliamentary networks in 2011.
Recent cyber incidents in Turkey raise doubts among NATO allies of that country's cyber security.
Syrian hacktivists deface UNICEF New Zealand's site with calls for international intervention in Syria's civil war. Saudi cyber vandals go after a small California city. Both victims were apparently chosen as soft targets of opportunity.
Of more widespread concern is the weekend's disclosure that a Microsoft Internet Explorer zero-day is being exploited in the wild. FireEye, which discovered the campaign of targeted attacks (naming it "Clandestine Fox"), says the exploit bypasses both ASLR and DEP. All versions of Internet Explorer are affected; browsing to a compromised website renders a machine vulnerable to malware installation. There's no patch available yet, but a fix is in the works. Microsoft has issued a set of recommended interim workarounds.
Newly discovered Windows XP exploits may succeed in ending the OS's afterlife.
Security researchers explore Heartbleed's implications. ZDNet discusses an unrelated SSL/TLS vulnerability affecting iOS.
Phishers move to smaller ponds.
The Christian Science Monitor reports on alleged satcom vulnerabilities. US agencies increase threat information sharing with commercial aviation.
The University of Central Florida wins the National Collegiate Cyber Defense Competition.