2025 Microsoft

SesameOp: New backdoor exploits OpenAI API for covert C2

AndyC 5 November 2025

SesameOp: New backdoor exploits OpenAI API for covert C2 Pierluigi Paganini November 04, 2025 Microsoft found a new backdoor, SesameOp,...

Microsoft sets all new accounts passwordless by default

AndyC 3 May 2025

Microsoft sets all new accounts passwordless by default Pierluigi Paganini May 02, 2025 Microsoft announced that all new accounts will...

LongNosedGoblin tries to sniff out governmental affairs in Southeast Asia and Japan

AndyC 19 December 2025

In 2024, ESET researchers noticed previously undocumented malware in the network of a Southeast Asian governmental entity. This led us to uncover even more new...

ESET Threat Report H2 2025

AndyC 17 December 2025

ESET Research A view of the H2 2025 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research...

Black Hat Europe 2025: Was that device designed to be on the internet at all?

AndyC 16 December 2025

Business Security Behind the polished exterior of many modern buildings sit outdated systems with vulnerabilities waiting to be found Tony Anscombe 12 Dec 2025 • ...

Black Hat Europe 2025: Was that device designed to be on the internet at all?

AndyC 16 December 2025

Business Security Behind the polished exterior of many modern buildings sit outdated systems with vulnerabilities waiting to be found Tony Anscombe 12 Dec 2025 • ...

Black Hat Europe 2025: Was that device designed to be on the internet at all?

AndyC 16 December 2025

Business Security Behind the polished exterior of many modern buildings sit outdated systems with vulnerabilities waiting to be found Tony Anscombe 12 Dec 2025 • ...

Black Hat Europe 2025: Was that device designed to be on the internet at all?

AndyC 16 December 2025

Business Security Behind the polished exterior of many modern buildings sit outdated systems with vulnerabilities waiting to be found Tony Anscombe 12 Dec 2025 • ...