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  • Flaw found in MSN Messenger

    Attackers could exploit a flaw in MSN Messenger to run malicious code on targeted machines, according to Danish vulnerability clearinghouse Secunia. 

  • AOL, Yahoo, Trillian IM applications under threat

    Vulnerability researchers say attackers could exploit flaws in AOL Instant Messenger, Trillian and Yahoo Messenger to run malicious code or cause a denial of service. 

  • Security vendor Postini acquired by Google

    Search engine giant Google says it will use its acquisition of security and compliance vendor Postini to expand its hosted applications for businesses. 

  • Can DHCP be used to selectively block instant messaging clients?

    Restricting instant messaging use has been a significant security challenge for organizations, but will DHCP help solidfy an IM policy? In this Q&A, Michael Cobb explains which access control mechanisms are the most effective. 

  • Yahoo fixes messenger flaws

    The latest version of Yahoo Messenger fixes serious flaws attackers could exploit to run malware on targeted machines. The timing is good, since more exploit code is circulating. 

  • Unified communications infrastructure threats and defense strategies

    Unified communications systems promise exciting productivity gains for workers and cost savings for businesses, but many often underestimate the security threats facing them. John Burke outlines the threats facing unified communications and how to de... 

  • Serious flaws put Yahoo Messenger users in peril

    Attackers could exploit two serious flaws in Yahoo Messenger to run malicious code on targeted machines, vulnerability trackers warned Wednesday. 

  • Should a rise in text message spam be expected?

    According to a Ferris Research study, consumers this year are expected to receive a total of about 1 billion cell phone spam messages. Yet, compared to other countries, text message spam hasn't hit the United States very hard. In this SearchSecurity.... 

  • greynet (or graynet)

    Greynet is a term for the use of unauthorized applications on a corporate network. A greynet application is a network-based program that corporate network users download and install without permission from their company's IT department. 

  • Multiple flaws in Trillian chat program

    Attackers could access sensitive information and run malicious code by exploiting multiple flaws in Trillian, a chat program popular in many enterprises.