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ATT&CK techniqueInitial Access (ICS)

T0819 Exploit Public-Facing Application

Initial Access (ICS)ICS

As of 2026-10-24, T0819 (Exploit Public-Facing Application) appears in 10 tracked threats, first reported 2024-12-16 and most recently 2026-10-24, with linked actors including Cyber Av3ngers, Static Tundra; it most often appears alongside T1190 (Exploit Public-Facing Application).

Tracked threats
103 critical, 6 high, 1 medium
First seen
2024-12-16
Last seen
2026-10-24
Threat actors
2In the threats using it
Detection rules
21Blue tier and above

Data as of:

Activity timeline

T0819 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-10 with 3 reports, and 9 of the 10 threats were reported in the twelve months to 2026-10.

How adversaries use it

T0819 Exploit Public-Facing Application is catalogued by MITRE ATT&CK under the Initial Access (ICS) tactic in the ICS matrix. Threadlinqs maps 10 of 3210 tracked threats (0.3%) to it; by severity that is 3 critical, 6 high, 1 medium.

Threats that use T0819 most often also use T1190 Exploit Public-Facing Application (9 threats), T1059 Command and Scripting Interpreter (6 threats), T1005 Data from Local System (5 threats), T0859 Valid Accounts (4 threats), T1078 Valid Accounts (4 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.

2 tracked threat actors appear in the threats that use T0819; the most frequent are Cyber Av3ngers (2), Static Tundra (1).

Threat actors using it

Tracked threats

10 tracked threats use T0819.

Detection coverage

Threadlinqs maintains 21 detection rules mapped to T0819 (SPL 8, KQL 4, Sigma 9). Rule content is available to Blue tier accounts and above; this page shows counts only.

21 detection rules (SPL/KQL/Sigma) · Blue and above. Compare plans