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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.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has shed light on a new malware called RESURGE that has been deployed as part of exploitation activity targeting a now-patched security flaw in Ivanti Connect Secure (ICS) appliances
In what's an instance of hacking the hackers, threat hunters have managed to infiltrate the online infrastructure associated with a ransomware group called BlackLock, uncovering crucial information about their modus operandi in the process. Resecurity said it identified a security vulnerability in the data leak site (DLS) operated by the e-crime group that made it possible to extract
Patch Urgency Increases as Code to Exploit CVE-2025-1974 Vulnerability PublishedScans reveal that thousands of Kubernetes clusters' Ingress Nginx Controller software remain internet-exposed, which experts said is bad practice. More importantly, the software needs updating to fix a critical vulnerability that can be remotely exploited to seize complete control of a cluster.
Three security bypasses have been discovered in Ubuntu Linux's unprivileged user namespace restrictions, which could be enable a local attacker to exploit vulnerabilities in kernel components. [...]
Hackers have long used Word and Excel documents as delivery vehicles for malware, and in 2025, these tricks are far from outdated. From phishing schemes to zero-click exploits, malicious Office files are still one of the easiest ways into a victim’s system
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two six-year-old security flaws impacting Sitecore CMS and Experience Platform (XP) to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation
Cybercriminals in China have figured out how to undermine the strengths of mobile messaging protocols.
The threat actor known as EncryptHub exploited a recently-patched security vulnerability in Microsoft Windows as a zero-day to deliver a wide range of malware families, including backdoors and information stealers such as Rhadamanthys and StealC
Google has released out-of-band fixes to address a high-severity security flaw in its Chrome browser for Windows that it said has been exploited in the wild as part of attacks targeting organizations in Russia. The vulnerability, tracked as CVE-2025-2783, has been described as a case of "incorrect handle provided in unspecified circumstances in Mojo on Windows." Mojo refers to a
Security experts worry the company's Chapter 11 status and aim to sell its assets could allow threat actors to exploit and misuse the genetic information it collected.
Trend Research identified Russian threat actor Water Gamayun exploiting CVE-2025-26633, a zero-day vulnerability in the Microsoft Management Console that attackers exploit to execute malicious code and exfiltrate data.