An international group of independent security researchers announced Tuesday that they have found a significant weakness in the Internet digital certificate infrastructure used by many Internet businesses. The flaw could conceivably allow cybercriminals to create fake certificates that would then be accepted and trusted by many widely used Internet browsers. The purported weakness could enable a hacker to impersonate secure Web sites and e-mail servers to launch virtually undetectable phishing attacks, according to the researchers from California, the Netherlands and Switzerland.
