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A recent reduction in Yahoo and Hotmail spam has been caused by scientists. Yahoo's Zimbra client has a security hole so big you can fly an entire Borg collective through the middle of it and not worry about the cubes touching the sides.
A cross-site scripting vulnerability in Yahoo Mail could leave instant messenger users open to attack. Yahoo and Microsoft are teaming up in an effort to stop lottery email scams. In a move overshadowed by sizable layoffs announced this week, Yahoo has named VeriSign's Aristotle Balogh its new chief technology officer (CTO). A new large-scale botnet has been spotted forwarding what appears to be real news headlines about Microsoft, George Bush and Al Qaeda in an attempt to infect users.
Critical ActiveX control flaws have been detected in the Yahoo! Music Jukebox, which like vulnerabilities reported last week in MySpace and Facebook image uploaders, may permit attackers to take control of users' PCs. McAfee and Yahoo have joined forces to cleanse search results and identify websites that may be malicious in nature. User names and passwords aren't secure, and momentum continues to build across the industry to solve this problem in a manageable way. Security researchers at Symantec have uncovered a click-fraud trojan targeted to the online advertising networks of Google, Yahoo and Baidu.com, China's largest independent internet search engine. Researchers at Aladdin Knowledge Systems have discovered a "significant" vulnerability in the page-caching technologies of three major search engines, allowing them to deliver malicious pages that have been removed from the web. Internet research firm Netcraft said it has detected a cross-site scripting vulnerability on Yahoo that could be used to hijack authentication cookies. A court in Alaska has ruled that Republican vice-presidential candidate Sarah Palin must hand over emails sent via a private webmail account. Although the five major online search engines have improved search safety, four percent of all search results link to dangerous websites, according to a report from McAfee's SiteAdvisor. Researchers at security research firm Secunia have revealed a "highly critical" security vulnerability in Yahoo's desktop Widgets. Widgets are software plug-ins that allow delivering a variety of information - weather reports, sports scores, and music - to users' computer desktops. A US federal grand jury has failed to return an indictment against the student accused of hacking into Sarah Palin's webmail account. Users of Yahoo's instant messaging platform are being warned to avoid webcam invites from unknown sources after a vulnerability in the platform was disclosed this week. Yahoo and eBay are joining forces to block phishing messages that specifically target PayPal users. Yahoo patched two vulnerabilities in Messenger's ActiveX control, which were disclosed by a hacker offering proof-of-concept exploit code earlier this week. A 20-year-old Tennessee man has been indicted on charges he accessed GOP vice presidential candidate Sarah Palin's Yahoo email account without permission.