Amol Sarwate,

A look at two of the signing technologies PayPal plans to use to improve sent email authentication, which would allow ISPs to drop each email that isn't properly verified. What are the potential security implications of virtualisation? The answer is: they are considerable. It's been some time in the making, but Microsoft soon will make its first service pack for Vista widely available. While the final version started shipping to manufacturers earlier this month, Microsoft says it's making some final tweaks to its distribution channels before general availability in a few weeks. So what can we expect? The new scoring system promises to make it easier for security managers and the IT industry to better measure the real-world risks associated with software flaws. Hot: Expect attackers to increasingly target networked, multifunction devices, such as high-end printers, scanners and fax machines, as these devices continue to grow more sophisticated and move away from proprietary operating systems and software.