Session Hijacking Detection - Antifraud.id

actionType: session_hijack Pengambilalihan sesi login sah pengguna oleh pihak ketiga melalui pencurian cookie/session token, man-in-the-middle attack, atau manipulasi TLS Client Hello.

Required `userData` Fields

Field	Type	Description
`accountId`	string	Akun pengguna
`ja3Hash`	string	JA3 TLS fingerprint hash

Payload Example

{
  "sessionId": "9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6d",
  "contextData": {
    "actionType": "session_hijack",
    "userData": {
      "accountId": "acc_victim_user_55",
      "ja3Hash": "e7d705a3286e19ea42f587b344ee6865"
    }
  }
}