(19)
(11) EP 3 821 562 A1

(12)

(43) Date of publication:
19.05.2021 Bulletin 2021/20

(21) Application number: 19834740.3

(22) Date of filing: 05.07.2019
(51) International Patent Classification (IPC): 
H04L 9/08(2006.01)
H04W 12/04(2021.01)
G06F 21/73(2013.01)
 H04L 29/06(2006.01)
H04W 88/18(2009.01)
(86) International application number:
PCT/FI2019/050528
(87) International publication number:
WO 2020/012065 (16.01.2020 Gazette 2020/03)
(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: 12.07.2018 IN 201841026011

(71) Applicant: Nokia Technologies Oy
02610 Espoo (FI)

(72) Inventors:
  • S BYKAMPADI, Nagendra
    Karnataka Bangalore 560102 (IN)
  • HOLTMANNS, Silke
    01800 Klaukkala (FI)
  • OLIVER, Ian Justin
    01150 Söderkulla (FI)

(74) Representative: Nokia EPO representatives 
Nokia Technologies Oy Karakaari 7
02610 Espoo
02610 Espoo (FI)

   


(54) SECURITY MANAGEMENT FOR UNAUTHORIZED REQUESTS IN COMMUNICATION SYSTEM WITH SERVICE-BASED ARCHITECTURE