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APT36 Hacker Group Attacking Linux Systems with New Tools to Disturb Services

Cybersecuritynews •Tushar Subhra Dutta • February 10, 2026

For more than a decade, Indian government and defense organizations have operated under a constant digital shadow. A tightly connected espionage ecosystem, primarily involving the Transparent Tribe (APT36) group and the aligned SideCopy cluster, has continued to probe and adapt. These actors rely on proven tactics like spear-phishing and weaponized documents to quietly embed themselves […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

APT36 Hacker Group Targets Linux Systems with New Disruption Tools APT36, also known as the Transparent Tribe, is actively targeting Linux systems using new tools aimed at disrupting services. This group has a history of espionage against Indian government and defense organizations, employing tactics such as spear-phishing and weaponized documents to infiltrate systems. The ongoing campaign reflects their adaptability and persistent threat to cybersecurity. 3 sources 37

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APT36 Hacker Group Attacking Linux Systems with New Tools to Disturb Services

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Extracted Entities

APT Groups (2)

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Industries (1)

MITRE ATT&CK (1)

Platforms (1)