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Latest coverage for Abuse

Abuse covers the misuse of accounts, services, and systems for fraud, intrusion, harassment, or other harmful cyber activity.

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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.

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A flaw in Anthropic's Claude for Chrome browser extension could allow a malicious extension to trigger predefined AI actions by simulating user clicks, potentially allowing it to abuse Claude's access to connected services such as Gmail, Google Docs, Google Calendar, and Salesforce. [...]

Microsoft Security Research 4 days, 15 hours ago

Defending SaaS-based applications against ShinyHunters OAuth abuse

Microsoft Threat Intelligence identified threat actor activity with overlapping tradecraft commonly associated with ShinyHunters, including voice phishing (vishing), supply-chain compromise, and misconfigured guest access targeting SaaS-based applications. The post Defending SaaS-based applications against ShinyHunters OAuth abuse appeared first on Microsoft Security Blog.

A new report from the Citizen Lab has revealed that former Member of the European Parliament Stelios Kouloglou had his mobile device repeatedly hacked with the notorious Pegasus spyware while serving on a committee that was tasked with investigating the abuse of such commercial surveillance tools in the bloc

Russian authorities used Cellebrite tools to unlock an activist’s iPhone and analyze private data despite canceled support, raising abuse concerns. On May 31, 2021, Russian security services pulled opposition activist Andrey Pivovarov off a flight at St. Petersburg airport and confiscated his iPhone 12 and MacBook. He never consented to a search and never gave […]

Threat actors associated with the DragonForce ransomware have been observed using a custom Go-based remote access trojan (RAT) called Backdoor.Turn to conceal command-and-control (C2) traffic inside Microsoft Teams relay infrastructure

Trend Micro Research, News and Perspectives 1 month ago

Threat Actors Abuse claude.ai Shared Chat for ClickFix Malvertising Campaign

Cybercriminals hijacked Google Ads searches for popular AI developer tools to funnel over 2,000 victims toward malicious download pages before quietly moving their operation onto claude.ai's own platform, turning the trusted domain into a delivery mechanism for credential-stealing malware.

Investigators Found Months of Unchecked Database Scraping ActivitySouth Korea's privacy regulator fined Coupang a record 624.7 billion won after concluding that weak authentication controls, insider access abuse, evidence destruction and unauthorized data collection contributed to the exposure of personal information belonging to 33.7 million people.

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