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 user 2006-05-12 at 11:07:00 am Views: 85
  • #15414

    Warning on search engine safety

    Some net searches are leading users to websites that
    expose them to spam, spyware and other dangerous downloads, reveals a

    According to the research the most dangerous words to search for are “free screensavers”.

    The report found that 64% of the sites found using this phrase were flagged as causing problems for users.

    The authors urged search sites to tighten up rules to ensure users are not inadvertently exposed to harm.

    Dangerous game

    It is well known that visiting sites offering porn,
    gambling and free MP3s leaves users at serious risk of falling victim
    to spyware and adware. However, the research by Ben Edelman and Hannah
    Rosenbaum reveals that those carrying out searches for innocuous
    subjects are at risk too.

    The report looked at the websites returned for 1,394 popular keywords searches found via Google, Yahoo, MSN, AOL and Ask.

    The results returned for each search term were then
    analysed using the Site Advisor security tool. Once installed this
    piece of software warns users when they browse websites known to be

    The most benign of the pages that Site Advisor flags up
    try to change browser settings (to redirect people to ad sites) and the
    most dangerous deluge users with spam or bundle adware and spyware in
    with downloads.

    In one case signing up with one site led to a test e-mail address getting more than 300 spam messages per week.

    Some of these risky sites use security flaws and loopholes in browsers
    to install software without users’ knowledge and can lead to that
    machine being hijacked or to a user losing personal data.

    The riskiest search terms were associated with downloads
    (such as “screensavers” and “free ringtones”) and file-sharing (such as
    “Bearshare” and “limewire”). Searching under these categories returned
    a substantial proportion of dangerous sites.

    The authors speculate that spammers and scammers are
    turning to websites to try to snare victims as efforts are made to stop
    spam before it reaches e-mail inboxes.

    “Where internet users go, attackers follow,” wrote the authors.

    Across all searches approximately 4-6% of sites returned
    were flagged as dangerous. The authors noted that this was more
    “alarming” than it first appeared because American net users carry out
    almost 6 billion searches per month. This translates to 285 million
    clicks on these potentially dangerous sites every month.

    “Even a single visit to a dangerous site can have
    serious and lasting implications for the average internet user,” wrote
    the authors.

    The number of risky sites increases when users click on
    sponsored results – the adverts generated to accompany particular
    search terms. Dangerous sites are two to four times as common in
    sponsored results found the research.

    “We are troubled by the untrustworthiness of search engines’ ads,” said the authors.

    The authors urged the search engines to get much tougher
    on those who buy adverts to accompany searches and expose those that
    abuse visitors.

    “We’re alarmed by the scope of these problems – by the
    many ways search engines lead users to sites that turn out to be
    untrustworthy or worse,” concluded the report.