class break
n.— «What is a “class break?” In network security jargon, that’s what happens when one breach leads to a whole new “class” of attacks on various systems, using similar methods.» —“Citibank security breach: undisclosed internally, let alone publicly?” by Xeni Jardin Boing Boing Mar. 6, 2006. (source: Double-Tongued Dictionary)
Further reading
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