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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 investigation conducted by Akamai in late October 2023 revealed a specific HTTP exploit path
Supply Chain Attacks: Hackers Target Zero-Days in Widely Used Software, Alert WarnsNorth Korean state-affiliated hackers are continuing to exploit zero-days in popular software applications as part of global supply chain attack campaigns for espionage and financial theft purposes, British and South Korean cybersecurity and intelligence officials said.
Kinsing Threat Actor Observed Targeting Vulnerable Cloud Environments With New FlawThe Cybersecurity and Infrastructure Security Agency is requiring federal agencies to patch Linux devices on their networks and urging private sector organizations to do the same after security researchers observed threat actors exploiting a new vulnerability on many major Linux distributions.
A new Mirai-based malware botnet named 'InfectedSlurs' has been exploiting two zero-day remote code execution (RCE) vulnerabilities to infect routers and video recorder (NVR) devices. [...]
Threat actors were actively exploiting CVE-2023-36025 in Windows SmartScreen as a zero-day vulnerability before Microsoft patched it in November.
Active exploit of the critical RCE flaw targets Linux systems to achieve full system compromise.
LockBit and Nation-State Groups Using Session Tokens to Access Patched DevicesWith experts warning that NetScaler ADC and Gateway devices are being exploited by nation-state and cybercrime groups, the manufacturer has again urged all users to "patch immediately as well as terminate active sessions, which attackers can otherwise use to access devices even post-patch.
LockBit and Nation-State Groups Using Session Tokens to Access Patched DevicesWith experts warning that NetScaler ADC and Gateway devices are being exploited by nation-state and cybercrime groups, the manufacturer has again urged all users to "patch immediately as well as terminate active sessions, which attackers can otherwise use to access devices even post-patch.
Phishing attacks are steadily becoming more sophisticated, with cybercriminals investing in new ways of deceiving victims into revealing sensitive information or installing malicious software. One of the latest trends in phishing is the use of QR codes, CAPTCHAs, and steganography. See how they are carried out and learn to detect them
The Kinsing threat actors are actively exploiting a critical security flaw in vulnerable Apache ActiveMQ servers to infect Linux systems with cryptocurrency miners and rootkits
Threat actors were actively exploiting CVE-2023-36025 before Microsoft patched it in November.
The Kinsing malware operator is actively exploiting the CVE-2023-46604 critical vulnerability in the Apache ActiveMQ open-source message broker to compromise Linux systems. [...]
Threat group may be looking for intel on Azerbaijan
Bitcoin wallets created between 2011 and 2015 are susceptible to a new kind of exploit called Randstorm that makes it possible to recover passwords and gain unauthorized access to a multitude of wallets spanning several blockchain platforms
After Sandworm and APT28 (known as Fancy Bear), another state-sponsored Russian hacker group, APT29, is leveraging the CVE-2023-38831 vulnerability in WinRAR for cyberattacks. [...]