CWmike writes "Hackers may have obtained more than 200 digital certificates from a Dutch company after breaking into its network, including ones for Mozilla, Yahoo and the Tor project — a considerably higher number than DigiNotar has acknowledged earlier this week when it said 'several dozen' certificates had been acquired by attackers. Among the certificates acquired by the attackers in a mid-July hack of DigiNotar, Van de Looy's source said, were ones valid for mozilla.com, yahoo.com and torproject.org, a system that lets people connect to the Web anonymously. Mozilla confirmed that a certificate for its add-on site had been obtained by the DigiNotar attackers. 'DigiNotar informed us that they issued fraudulent certs for addons.mozilla.org in July, and revoked them within a few days of issue,' Johnathan Nightingale, director of Firefox development, said Wednesday. Looy's number is similar to the tally of certificates that Google has blacklisted in Chrome."
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