Abuse covers the misuse of accounts, services, and systems for fraud, intrusion, harassment, or other harmful cyber activity.
Search across headline titles and summaries.
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 maximum-severity security vulnerability impacting LiteSpeed User-End cPanel Plugin has come under active exploitation in the wild
Fraud losses don't stop at chargebacks. False declines, account takeovers, and abuse also damage revenue and trust. IPQS breaks down why fraud teams need broader visibility into risk and customer impact. [...]
A threat actor targeting Microsoft 365 and Azure production environments is stealing data in attacks that abuse legitimate applications and administration features. [...]
Microsoft's total vulnerability count stayed steady in 2025, but critical flaws surged year over year. BeyondTrust breaks down why attackers are increasingly focused on privilege escalation and identity abuse. [...]
Déjà Vu: Is Mythos in Hands of Bad Actors Akin to Cobalt Strike, Brute Ratel Abuse?Anthropic's Claude Mythos and similarly powerful artificial intelligence tools pose elevated cyber risk to the healthcare sector, warns a new report. Addressing the onslaught of newly discovered bugs will require healthcare organizations to evolve their vulnerability mindsets.