Abuse covers the misuse of accounts, services, and systems for fraud, intrusion, harassment, or other harmful cyber activity.
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Background for this topic.
Abuse in cybersecurity means using systems, networks, or services in unauthorized or harmful ways, such as sending spam, hijacking accounts, or launching Distributed Denial of Service (DDoS) attacks. It often exploits weak authentication, misconfigurations, or gaps in policies to gain access or disrupt services. Common abuse techniques include credential stuffing, phishing, and using compromised infrastructure to amplify attacks.
Managing abuse is critical because it can degrade service availability, expose sensitive data, and damage organizational reputation. Security teams focus on detecting unusual activity patterns, enforcing multi-factor authentication, and applying rate limits to reduce automated abuse. Timely abuse reporting and automated detection tools help identify and block malicious behavior, making abuse mitigation a key part of maintaining secure and reliable systems.
A new attack technique called 'GIFShell' allows threat actors to abuse Microsoft Teams for novel phishing attacks and covertly executing commands to steal data using ... GIFs. [...]
Through our honeypots and telemetry, we were able to observe instances in which malicious actors abused native Linux tools to launch attacks on Linux environments. In this blog entry, we discuss how these utilities were used and provide recommendations on how to minimize their impact.
A vulnerable anti-cheat driver for the Genshin Impact video game has been leveraged by a cybercrime actor to disable antivirus programs to facilitate the deployment of ransomware, according to findings from Trend Micro