'They got into everything,' one official says as federal authorities express growing alarm over breadth and depth of intrusion into government networks, likely by Russian actors

Western official says April hack aimed to raise chlorine to dangerous levels; Israeli official says attack began tit-for-tat on civilian targets

Yigal Unna says attempted hacking into civilian systems, widely ascribed to Iran, marked a historic first, and could have resulted in disaster had it not been detected in time

Tel Aviv-based Check Point says Aria-body, by hacker group tied to Chinese military, is highly advanced and hard to detect

City picks Jerusalem Venture Partners to manage new tech hub in downtown Manhattan with hopes to create thousands of jobs to boost online security from companies to individuals

Four-day exercise to focus on communication between headquarters and various units, with representatives from across the military taking part

At least 800 attacks, including from Iran and Poland, were beaten back by Israel's newly upgraded air traffic cyber defenses, officials say

Wednesday's exercise is the third unannounced inspection of the military's readiness under army chief Aviv Kohavi

Israeli cybersecurity firm alerted popular messaging service to vulnerability, now fixed, which could have let bad actors send malicious message, necessitating reinstall of app

Facebook subsidiary patches 'very scary vulnerability' that infected phones via missed WhatsApp calls alone