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Stay informed on the latest exposure risks in information security. Expert analysis, breach updates, and data leak prevention tips. Stay secure!

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Background for this topic.

Exposure is the condition in which a system, service, credential, vulnerability, or sensitive information is accessible or discoverable by people or systems that should not reach it. In threat modeling, it describes an attack surface or loss of control—not proof that an attacker has succeeded. Examples include an internet-facing administration interface, cloud storage with unintended permissions, a secret committed to source code, or personal data sent to an unintended recipient. Its significance depends on what is exposed, who can reach it, and which protections remain.

The primary defense is exposure reduction: maintain an accurate asset inventory, remove unnecessary public access, enforce least-privilege permissions and strong authentication, patch externally reachable software, and revoke leaked credentials or secrets. Encryption can limit the value of exposed data, but does not correct an exposed access path. Continuous scanning and log review help identify changes and support rapid containment when exposure is discovered.

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Bank Info Security 4 months, 3 weeks ago

Arctic Wolf Buys Sevco for Exposure Management, Asset Depth

Asset Intelligence Deal Deepens Exposure Visibility, CTEM and Risk PrioritizationArctic Wolf is adding Sevco's cyber asset management capabilities to its platform, aiming to unify asset intelligence, configuration management and threat telemetry. Executives say the CTEM-focused deal will help security teams reduce exposure and better align vulnerability data with active threats.

Bank Info Security 27 Feb 2026, 9:30 a.m. Acquisition Exposure Vulnerability
Bank Info Security 4 months, 3 weeks ago

Marquis Sues SonicWall Over 2025 Firewall Data Breach

Lawsuit Claims SonicWall Cloud Backup Flaw Led to Ransomware Attack Against MarquisMarquis Software Solutions has sued SonicWall alleging a cloud backup data breach exposed firewall configuration files, including credentials and multifactor authentication scratch codes. The firm says the breach enabled an August 2025 ransomware attack and triggered dozens of class action lawsuits.

Bank Info Security 26 Feb 2026, 12:30 p.m. Authentication Backup Breach Cloud Credentials Exposure Firewalls Flaw Lawsuit Ransomware
Bank Info Security 4 months, 3 weeks ago

Startup Astelia Secures $35M for AI Vulnerability Management

Index Ventures Backs End-to-End Platform, Targeting of AI-Driven Vulnerability RiskAstelia raised $35 million in Series A funding led by Index Ventures to scale its AI-powered exposure management tool. The company uses AI agents and network analysis to help enterprises prioritize exploitable vulnerabilities and reduce remediation noise across hybrid and on-premises environments.

Bank Info Security 25 Feb 2026, 12:30 p.m. Artificial Intelligence Exposure Startup Vulnerability Vulnerability Management
Bank Info Security 4 months, 3 weeks ago

PayPal Ties Small Data Breach and Fraud to App Coding Error

Fintech Giant Says Personal Data Exposed for About 100 Business Users of Loan AppFinancial services firm PayPal said it discovered a data breach that lasted for six months, exposed some business customers' personal information and led to fraudulent charges. The company said about 100 customers were affected, and that it has fully refunded them for fraudulent charges.

Bank Info Security 24 Feb 2026, 8:00 a.m. Breach Exposure Finance Fraud PayPal PII