(19)

(11)

EP 3 635 938 A1

(12)

(43) Date of publication: 15.04.2020 Bulletin 2020/16 (21) Application number: 18802598.5 (22) Date of filing: 17.05.2018

(51) International Patent Classification (IPC):  H04L 29/06(2006.01) H04L 12/24(2006.01) H04L 29/12(2006.01) (86) International application number: PCT/US2018/033181 (87) International publication number: WO 2018/213574 (22.11.2018 Gazette 2018/47)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 17.05.2017 US 201715598023 17.05.2017 US 201715598038 31.08.2017 US 201715692980 (71) Applicant: Farsight Security, Inc. San Mateo, California 94402 (US)	(72) Inventor: SCHIFFMAN, Michael San Mateo California 94402 (US) (74) Representative: Mewburn Ellis LLP  City Tower 40 Basinghall Street London EC2V 5DE London EC2V 5DE (GB)