Cyber Resilience

Threat actor · all actors

SilenceG0091 unknown

aka Silence, Whisper Spider

Last updated: 2026-07-03

0attributed CVEs
43ATT&CK techniques
0.0IDF score (tooling uniqueness)
0exclusive CVEs
years active

About this actor

[Silence](https://attack.mitre.org/groups/G0091) is a financially motivated threat actor targeting financial institutions in different countries. The group was first seen in June 2016. Their main targets reside in Russia, Ukraine, Belarus, Azerbaijan, Poland and Kazakhstan. They compromised various banking systems, including the Russian Central Bank's Automated Workstation Client, ATMs, and card processing.(Citation: Cyber Forensicator Silence Jan 2019)(Citation: SecureList Silence Nov 2017)

Source: MITRE ATT&CK

Activity timeline

No activity events recorded.

Profile

CVERiskCVSSEPSSPublishedProducts
No attributed CVEs.

Mitigating controls (NIST 800-53)

ControlTechniques coveredCoverage
CM-633 / 4377%
SI-433 / 4377%
CM-230 / 4370%
CM-727 / 4363%
SI-327 / 4363%
AC-323 / 4353%
AC-623 / 4353%
AC-221 / 4349%
CA-721 / 4349%
SI-719 / 4344%
AC-515 / 4335%
CM-515 / 4335%
IA-214 / 4333%
SI-1014 / 4333%
AC-413 / 4330%

Co-occurring actors

None.

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