About Patrik Žák

Patrik Žák je kyberbezpečnostní konzultant a zakladatel SYSNETSHIELD. Specializuje se na penetrační testy infrastruktury a red teaming. Publikuje týdenní newsletter Security Sunday. Pomáhá firmám bezpečně škálovat infrastrukturu a zavádět automatizaci (Ansible, Docker, AWS).

Active exploitation of critical Zero-Day vulnerability in Confluence | Security Sunday w40/2023

2025-08-04T19:42:41+00:00

Welcome to Security Sunday - Week 40. our weekly IT security summary (2 October - 8 October 2023). We're collecting notable incident and vulnerability [...]

Active exploitation of critical Zero-Day vulnerability in Confluence | Security Sunday w40/20232025-08-04T19:42:41+00:00

The University of Defense was attacked by hackers. 750 GB of staff and teacher data was leaked, including financial statements.

2023-10-01T07:27:30+00:00

Welcome to Security Sunday - Week 39, our weekly recap of IT security (September 25 - October 1, 2023). We're collecting notable incident and [...]

The University of Defense was attacked by hackers. 750 GB of staff and teacher data was leaked, including financial statements.2023-10-01T07:27:30+00:00
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