The Internet security firm Websense said thousands of malicious fake messages had been sent out, purporting to come from Facebook Support.

网络安全公司Websense称数以千计的恶意虚假信息正在通过Facebook的支持传播。

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If it succeeds, the attack will download a Trojan with a keylogger component that many anti-virus software packages do not yet identify, according to Websense.

成功的话，攻击者会下载一个键盘记录木马的组成部分，许多反病毒软件还没有确定。

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In February, Web security firm Websense announced that CAPTCHAs at Google, Microsoft and Yahoo!

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Other competitors in the technology sector include: Microsoft (MSFT), Websense (WBSN), and Oracle (ORCL).

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Websense ( WBSN - news - people ) and SecureComputing, OpenDNS offers its service gratis.

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