E-Mail Viruses Getting Smarter, Report Says
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Computer viruses spread by e-mail are growing more sophisticated as virus writers and &quot;spammers&quot; are thought to be joining forces in an effort to make smarter bugs, a computer security group said on Tuesday.
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'Virtual security solution' is designed to slow virus and malware attacks.
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Next time an e-card with a jolly message drops into your computer&#39;s inbox, think before you click it open - it could be a virus which will implant itself in your machine and spread before you even realise it.
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Security experts say phishing attacks becoming more sophisticated, and outnumber e-mails infected with malicous software.
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The percentage of threats arriving in e-mail that rely on links to malicious sites has soared 10-fold since the first quarter of the year, a security company says.
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The number of attempted attacks by computer viruses rocketed in the first half of the year, according to a report published today.
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In what one security researcher called "a really neat twist," a new variant of the "Storm" Trojan is injecting itself into blogs, Web-based message forums and Webmail, according to Dmitri Alperovitch, principal research scientist at Secure Computing.
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(Source: Computerworld) Antivirus software alone isnt enough to prevent todays speedy, sophisticated virus attacks. Security managers should consider multitiered approaches that include behavior scanning, appliances that check e-mail for worms, and estricting user access to dangerous Web sites. Download this Executive Bulletin (a $49.95 value) for free, compliments of MessageLabs, to learn more.
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Two new versions of a computer virus that affects mobile phones were discovered this week with new features that allow them to spread more quickly between vulnerable devices, according to antivirus company F-Secure.
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Ironport Systems today announced the latest version of the e-mail security company&#39;s C-Series E-Mail Security Appliance. The new version formalizes the release of Ironport&#39;s Virus Outbreak
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Symantec technology will help MessageLabs offer better e-mail filtering, the companies say.
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Most e-mail users are aware that opening an executable file (.exe) from an unknown source is a danger, but many don&#39;t know what an IM threat looks like.
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Technique claims to be able to stop Internet worms within milliseconds of an outbreak.
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Experts say viruses don't pose a serious risk to handheld devices--yet.
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At least one new variant of a worm spread rapidly from Asia and Europe to US computers, filling up people&#39;s email accounts, but otherwise causing little apparent damage.
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(InfoWorld) - Hackers appear to have stepped up their efforts to trick corporate executives into downloading malicious software programs that can steal company data over the past year, according to new data released Monday. MessageLabs, a security vendor that offers e-mail filtering services to catch spam and malicious attachments, caught an average of 10 e-mails per day in May targeted at people in senior management positions, up from just one a day a year prior, said Mark Sunner, chief security analyst. Those 10 e-mails are a very small percentage of the 200 million e-mails that MessageLabs scans every day, but the composition of those messages is what's alarming, Sunner said. Many of the e-mails contained the name and title of the executive in the subject line, as well as a malicious Microsoft Word document containing executable code. The hackers are trying to trick the victim into thinking the messages comes from someone they know, in the hope that the victim will willingly install, for example, a program that can record keystrokes. MessageLabs won't reveal what companies have been targeted of late, but it has contacted executives who have been targeted and heard their family members have also received messages on their own, non-corporate e-mail accounts, Sunner said. Those methods suggests that hackers may be researching victims and culling data from social networking sites such as Linked In, MySpace, or Facebook, Sunner said. "If you really want to work out somebody's background ... you can actually find out a lot," Sunner said. Tricking a relative into installing malicious code would offer the hacker another way to collect sensitive data, if an executive decides to do some work on a home computer, Sunner said. During June, MessageLabs picked up more than 500 of these targeted messages, with some 30 percent aimed at chief investment officers -- a position that can include handling acquisitions and mergers. Other positions targeted include directors of research and development, company presidents, CEOs, CIOs, and CFOs. Another danger is that the targeted messages are often just single messages sent to a single person, rather than a mass spam run. When hackers send out millions of messages, security companies often either update their software or change their spam filters to trap the bad messages. But single messages have a higher chance of slipping through, although Sunner said MessageLabs' filtering service catches the messages by analyzing the e-mail's attachment and determining whether it is potentially harmful. Other security companies catch malware by updating their software with indicators, or signatures, to detect harmful code or block code from running based on what it does on a computer, a technology called behavioral detection. Tracing where the messages come from is difficult, since the sender's name is always fake, Sunner said. The IP address from which the messages were sent indicate computers that are located around the world. Hackers often use networks of computers they already control, called botnets, to send e-mails. "Certainly, people need to raise the level of vigilance," Sunner said.
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Roots you, sir Increased use of stealth techniques such as rootkits is leading to fewer reports of new viruses, according to a study by net security outfit VeriSign iDefense.â¦