Subscribe to one of our news e-mail lists . Content Technologies, a subsidiary of Ireland-based online security consultant Baltimore Technologies, on Friday acknowledged that there are ways around its PORNsweeper.
System managers can set filtration rules to reflect company policy.
PORNsweeper is an add-on module for Content Technologies' MAILsweeper. The analysis includes scanning images for the color of human skin in the pixels and screening these pixels to determine various statistics about the image, Tait said. Nude or pornographic images often contain more skin pixels than other images. Recent events have shown that this is an issue for employers. Several companies,including mobile phone operator Orange and Dow Chemical have fired staff for downloading lewd images and sharing those with colleagues.