SYSTEM AND METHOD FOR DISCOVERING COMPROMISED SECURITY DEVICES - Patent 1031206

(19)

(11)

EP 1 031 206 A2

(12)

(88)	Date of publication A3:
	17.06.1999

(43)	Date of publication:
	30.08.2000 Bulletin 2000/35

(21)	Application number: 98963737.6

(22)	Date of filing: 16.09.1998

(51)	International Patent Classification (IPC)⁷: H04L 9/08

(86)	International application number:
	PCT/US9819/352

(87)	International publication number:
	WO 9919/822 (22.04.1999 Gazette 1999/16)

(84)	Designated Contracting States:
	DE FR GB

(30)

Priority:

14.10.1997 US 949438

(71)	Applicant: MICROSOFT CORPORATION
	Redmond,Washington 98052-6399 (US)

(72)	Inventors:
	BIRDWELL, Kenneth, J. Bellevue, WA 98008-3816 (US) YACOBI, Yacov Mercer Island, WA 98040 (US)

(74)	Representative: Wright, Howard Hugh Burnby et al
	Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)

(54)	SYSTEM AND METHOD FOR DISCOVERING COMPROMISED SECURITY DEVICES