Some 300 sites defaced with clip of Tel Aviv burning; security agencies have been readying for Iran-linked attack for Quds Day, following port attack blamed on Jewish state

Defense minister's post calling for 'freedom for Palestine' quickly deleted; unclear if attackers breached his phone

OurMine group takes over company's social media profiles, makes posts advertising its cyber security services

Check Point team says vulnerabilities -- now fixed by app maker -- could have allowed hackers to access accounts, private information and videos

Israeli authorities fail to stem the growing number of female victims whose intimate photos are posted on Telegram without their consent, leaving women to fend for themselves

Information minister says disgruntled contractor tried to extort cash by stealing credit card details; Israeli cyber expert suggests state-sponsored attack more likely

Offensive said to have taken aim at Tehran's propaganda capabilities, seen as a more limited response than military strike that could escalate into war

Semi-official news agency reports site down for an unspecified amount of time on Thursday, but has since been restored; Israel, US blamed for past breaches of governmental systems

Kan CEO says Gaza-based terror group apparently responsible for interrupting song contest's website during semifinals with fake missile warning

Kan says warning, which included fake IDF logo and message that 'Israel is not safe,' did not reach many people watching Tuesday's semifinal