Chinese hackers behind most zero-day exploits during 2021
Threat analysts report that zero-day vulnerability exploitation is on the rise with Chinese hackers using most of them in attacks last year. [...]
Stay informed on the latest exploit trends and vulnerabilities. Get expert insights and updates on information security exploits with our dedicated tag.
Search across headline titles and summaries.
Background for this topic.
An exploit is code, data, or a sequence of actions that uses a software, hardware, or configuration vulnerability to produce unintended behavior. Depending on the flaw and the attacker’s access, it may enable unauthorized code execution, privilege escalation, information disclosure, or denial of service. Exploitation can occur remotely through exposed services, web applications, or client software, or locally after an attacker gains limited access.
Exploitation matters because a vulnerability becomes an active attack path when the required conditions are reachable and exploitable. Defenders should inventory affected assets, prioritize remediation when exploitation is known or credible, apply patches or vendor mitigations, and reduce exposure through access controls, segmentation, and secure configuration. Monitoring for exploit-specific indicators—such as abnormal requests, unexpected processes, or privilege changes—supports detection; systems suspected of successful exploitation require containment and investigation for follow-on access.
Threat analysts report that zero-day vulnerability exploitation is on the rise with Chinese hackers using most of them in attacks last year. [...]
Pwn2Own Miami 2022 has ended with competitors earning $400,000 for 26 zero-day exploits (and several bug collisions) targeting ICS and SCADA products demoed during the contest between April 19 and April 21. [...]
QNAP has asked customers to apply mitigation measures to block attempts to exploit Apache HTTP Server security vulnerabilities impacting their network-attached storage (NAS) devices. [...]
Digital threat researchers at Citizen Lab have discovered a new zero-click iMessage exploit used to install NSO Group spyware on devices belonging to Catalan politicians, journalists, and activists. [...]