Even with the attacks described in the paper, Windows Vista has many worthwhile security improvements compared to Windows XP. Stories suggesting that Vista’s security is now irredeemably broken are far off the mark; the truth is merely that some of its automatic security protection is less effective than it was before.

Irate VMware customers were left unable to power up their virtual servers this morning because of a bug that killed their systems when the clock clicked round to 12 August. The bug was sent out to customers in ESX 3.5 update 2, VMware’s latest hypervisor, which went out on 27 July.