Activity timeline
T1606.001 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-10 with 4 reports, and 12 of the 12 threats were reported in the twelve months to 2026-10.
How adversaries use it
T1606.001 Web Cookies is catalogued by MITRE ATT&CK under the Credential Access tactic in the Enterprise matrix, as a sub-technique of T1606 Forge Web Credentials. Threadlinqs maps 12 of 3142 tracked threats (0.4%) to it; by severity that is 8 critical, 4 high.
Threats that use T1606.001 most often also use T1190 Exploit Public-Facing Application (10 threats), T1550.004 Web Session Cookie (8 threats), T1212 Exploitation for Credential Access (6 threats), T1078 Valid Accounts (5 threats), T1595.002 Vulnerability Scanning (5 threats). These are the techniques an intrusion set tends to chain with it, so they are the natural next places to look when it is observed.
8 tracked threat actors appear in the threats that use T1606.001; the most frequent are APT28 (1), APT38 (1), Andariel (1), DriveSurge (1), Gamaredon (1).
Mitigations
MITRE ATT&CK lists 2 mitigations for T1606.001.
Data sources
Telemetry that can reveal T1606.001, per MITRE ATT&CK.
- Logon Session — Logon Session Creation
- Web Credential — Web Credential Usage
Threat actors using it
Tracked threats
12 tracked threats use T1606.001.
- Weekly threat digest (week ending 2026-06-07): PAN-OS GlobalProtect CVE-2026-0257 exploitation, React2Shell…high
- Google DevSite Flask Session Pickle Deserialization RCE (Unauthenticated) - OAuth Client Secret Reused as…critical
- Rejetto HTTP File Server (HFS) 3.x session forgery via predictable Math.random() signing key leads to…critical
- Forgeable Session Cookie (Hard-Coded HMAC Secret) in Yard Management System Bypasses Entra ID MFA and…high
- Active Exploitation of Sangoma Switchvox Unauthenticated SQL Injection (CVE-2026-9586) Deploying Reverse…critical
- CVE-2026-69836: Unauthenticated Remote Code Execution in Microsoft Entra ID via Deserialization of Untrusted…critical
- Greatness PhaaS Platform Spoofs RingCentral in Adversary-in-the-Middle and Device Code Phishing Campaign…high
- CVE-2026-66066 "KindaRails2Shell": Critical Ruby on Rails Active Storage Flaw Allows Unauthenticated…critical
- Palo Alto Networks PAN-OS / Prisma Access GlobalProtect Authentication Bypass (CVE-2026-0257) — Active…critical
- VaultJacking — Google Password Manager Vault Theft via Single Captured 6-Digit PIN (PhishU Framework)high
- Sorry Ransomware Mass Exploitation of cPanel/WHM Authentication Bypass CVE-2026-41940 (44,000+ Servers…critical
- ASP.NET Core Data Protection Authentication Cookie Forgery / Privilege Escalation (CVE-2026-40372)critical
Detection coverage
Threadlinqs maintains 36 detection rules mapped to T1606.001 (SPL 19, KQL 7, Sigma 10). Rule content is available to Blue tier accounts and above; this page shows counts only.
Parent technique
T1606 Forge Web Credentials — 97 tracked threats at the technique level.