API security focuses on protecting application interfaces from unauthorized access, data exposure, abuse, and flaws in authentication or design.
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Background for this topic.
Application Programming Interfaces (APIs) are sets of rules that allow software applications to communicate and exchange data, often enabling functionality across different systems or services. APIs define how requests and responses are structured, making it possible for programs to interact without direct user involvement. In cybersecurity, APIs are commonly exposed over networks as endpoints that handle sensitive operations like data retrieval, user authentication, or transaction processing.
APIs increase the attack surface by exposing endpoints that attackers can target with unauthorized access attempts, injection attacks, or denial-of-service. Common risks include weak or missing authentication, insufficient input validation, and improper rate limiting. Effective API security requires strong authentication protocols (e.g., OAuth), strict input validation to prevent injection, rate limiting to mitigate abuse, and comprehensive logging to detect anomalies. Protecting APIs is critical to prevent data leaks, privilege escalation, and service disruption in interconnected environments.
27 Enterprises Integrate Claude's Compliance APIMore than two dozen enterprise security vendors, including Microsoft, CrowdStrike and Palo Alto Networks, have built integrations with Anthropic's Claude Compliance API, an interface the company launched months ago to give corporate security teams access to Claude activity data.
Cisco has rolled out updates for a maximum-severity security flaw impacting Secure Workload that could allow an unauthenticated, remote attacker to access sensitive data
Plenty of time for cyber crims to grab data or hit you with a giant bill
A security researcher discovered the API keys can still be used for up to 23 minutes after deletion, even though the cloud provider claims deletion is immediate.
Switchzilla says attackers could access sensitive data and make configuration changes across tenant boundaries through vulnerable internal APIs
Drupal has released security updates for a "highly critical" security vulnerability in Drupal Core that could be exploited by attackers to achieve remote code execution, privilege escalation, or information disclosure
Akamai Links Attack Growth to AI-Enabled Botnets and HacktivistsAkamai says AI-enabled botnets, geopolitical hacktivism and financially motivated cybercriminals drove a massive rise in DDoS, API and web attacks against global financial services firms in 2025, with banks suffering the majority of incidents.
Cybersecurity researchers have flagged fresh activity from a China-aligned threat actor known as Webworm in 2025, deploying custom backdoors that employ Discord and Microsoft Graph API for command-and-control (C2 or C&C) communications
Supply chain attackers are not only trying to slip malicious code into trusted software. They are trying to steal the access that makes trusted software possible. Recently, three separate campaigns hit npm, PyPI, and Docker Hub in a 48-hour window, and all three targeted secrets from developer environments and CI/CD pipelines, including API keys, cloud credentials, SSH keys, and tokens. This is