(19)

(11)

EP 4 154 136 A1

(12)

(43) Date of publication: 29.03.2023 Bulletin 2023/13 (21) Application number: 21808689.0 (22) Date of filing: 18.05.2021

(51) International Patent Classification (IPC):  G06F 21/12(2013.01) H04L 29/02(2006.01) G06F 21/55(2013.01) (52) Cooperative Patent Classification (CPC): G06F 21/554; G06F 21/552; H04L 67/02; H04L 67/125; H04L 67/1004 (86) International application number: PCT/US2021/032995 (87) International publication number: WO 2021/236661 (25.11.2021 Gazette 2021/47)

(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: 18.05.2020 US 202063026446 P (71) Applicant: Darktrace Holdings Limited Cambridge, CB4 0DS (GB)	(72) Inventors: FELLOWS, Simon David Lincoln Cambridge CB23 6EL (GB) STOCKDALE, Jack Benjamin Cambridge CB25 9FD (GB) JENKINSON, Thoams Alexander Chesney Smeeth Ashford, Kent TN25 6RB (GB) (74) Representative: Sackin, Robert  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)