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Of 65 million security alerts generated for the Homeland Security Department's WAN over three months, 6.5 million were "detect.misuse.porn" alerts that may be linked to employees accessing pornography, said a report from DHS inspector general Richard Skinner.Or maybe not. DHS' automated network security tools look for pornographic keywords such as "oral" and may return alerts when the keywords are embedded in other words, such as in "behavioral," the report said.Just 16 DHS devices generated 70 percent of all alerts and 75 percent of suspected pornography-related alerts, the IG said. Between July 2004 and April 2005, the number of monthly alerts increased more than 400 percent, the report said.But the suspected misuse of the network is only one of the widespread problems, beginning with an initial failure to get the DHS CIO's authorization even to operate the WAN, the IG said.DHS is working to set and enforce security guidelines and get the WAN certified and accredited, the report said.