Security: While three Trojan horses are spreading via Bluetooth or multimedia messages and can affect Symbian-based phones, anti-virus vendors are warning about another, dubbed Nyxem and otherwise known as the Kama Sutra worm, that is programmed to overwrite all files on an infected PC on the third day of every month, beginning in February. Red Hat and Suse both patch a critical KDE hole that could allow a remote attacker to launch an overflow attack and run arbitrary code on a PC. Special report: VoIP has certainly garnered its share of attention, yet corporate reluctance remains. In the VoIP management guide, we help you determine whether your organization is ready for VoIP, and offer strategy advice that comes from seasoned VoIP veterans. The package also includes stories on maximizing VoIP investments and securing against the barrage of threats to which VoIP infrastructures can be susceptible. The news beat: Adobe releases Acrobat 3D, which metamorphoses 3-D images into PDFs. Four Livedoor executives, including the CEO, are arrested for violating Japan’s Securities and Exchange Law as related to capacity problems that the Tokyo stock exchange had last week. And the first draft of the GPL 3.0 draws mostly positive response. Quoteworthy: I can’t help but wonder what the government is really after in its attempt to force Google to turn over users search information from its databases — somehow I suspect it has very little to with pornography and a whole lot to do with control of the Internet. So while it certainly raises grave privacy concerns, it might pose an even bigger threat to free speech and other First Amendment rights. — Ed Foster, in The Gripe Line. Security