Kyiv accuses Moscow of 'continuing to wage a hybrid war' as Microsoft warns hack may prove far more destructive than initially feared

10-day drill led by Finance Ministry to promote international cooperation on minimizing hacker threat to global financial systems

Attack meant to shut down site, not breach databases; agency's computer personnel respond by blocking all access from abroad

After state broadcaster said to air assertion that analytics on water reserves were knocked out, Tehran says facilities were taken offline to 'secure... systems'

Mahan Air claims it thwarted hack as its website displays error message; group claiming responsibility releases what it says are company documents detailing Quds Force ties

Recipients were told they were targeted by a sophisticated hacking attack; agency confirms incident, does not provide details

Authorities say country's 4,300 service stations now fully working, after system that allows Iranians to fill their tanks for free or at subsidized prices was blocked

Military correspondent Judah Ari Gross on the IDF simulation of a new war alongside domestic strife; and editor David Horovitz on Israeli hopes from the Glasgow climate conference

Head of civil defense, however, says technical investigation still ongoing; Iran's president had stopped short of assigning blame

Names, locations of 'Atraf' clients exposed; other Israeli sites, including public transportation companies, also experience breach