The gloves are off in cyberspace, with Israeli and Iranian actors increasingly targeting their adversaries' vulnerabilities since the 12-Day War last month. It is forcing a rethink of digital defence.

Images of rocket trails, explosions, and destruction were broadcast worldwide, but a quieter war in cyberspace was also being waged, and it was no less important

The company is the cornerstone of federal IT, but there are big questions, including in Congress, over its ability to cope with cyberattacks from Russia and China

The two countries have a long history of online offensives against each other, which may come into play

A relatively recently formed part of the group has had a rapid rise and significant success in gathering intelligence and breaching digital defences despite a series of assassinations of its leaders.