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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.
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While attackers continue to rely on older, unpatched vulnerabilities, many are jumping on new vulnerabilities as soon as they are disclosed.
Attackers almost immediately leapt on a just-disclosed bug, CVE-2022-26138, affecting Atlassian Confluence, which allows remote, unauthenticated actors unfettered access to Confluence data.
A cyber mercenary that "ostensibly sells general security and information analysis services to commercial customers" used several Windows and Adobe zero-day exploits in limited and highly-targeted attacks against European and Central American entities
Although Transport layer security (TLS) provides enhanced security, cybercriminals have become increasingly savvy, finding ways to circumvent many of these protections. Learn how malicious actors exploit vulnerabilities within TLS to introduce new forms of malware.
Palo Alto Networks Unit 42 incident response team warns of patch speedups Palo Alto Networks' annual Unit 42 incident response report is out, warning of an ever-decreasing gap between vulnerability disclosures and an increase in cybercrime.…
Malicious actors are exploiting a previously unknown security flaw in the open source PrestaShop e-commerce platform to inject malicious skimmer code designed to swipe sensitive information