ANTIVIRUS SOFTWARE MAKER Trend Micro announced a new twist in the competitive enterprise security software market: cash back for tardy virus updates.

The new program, called the Virus Response Service Level Agreement (SLA), guarantees premium support customers that for each infected file submitted for analysis, the company will issue a virus pattern file that can be used by Trend Micro's software to scan for the virus within two hours of the submission or the company will pay a fine.

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