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.
Weekly headline count for the current query.
We tracked a cryptocurrency-mining campaign exploiting CVE-2026-33017, which revealed how threat actors are now scanning exposed AI application infrastructure for their next foothold.
Attackers are exploiting the critical CVE-2026-10520 flaw in Ivanti Sentry, compromising many internet-exposed gateways shortly after patches were released. Threat actors have started exploiting a maximum-severity OS command injection flaw in Ivanti Sentry, tracked as CVE-2026-10520, that allows remote code execution with root privileges. “An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote […]
Attackers are exploiting the critical CVE-2026-10520 flaw in Ivanti Sentry, compromising many internet-exposed gateways shortly after patches were released. Threat actors have started exploiting a maximum-severity OS command injection flaw in Ivanti Sentry, tracked as CVE-2026-10520, that allows remote code execution with root privileges. “An OS Command Injection vulnerability in Ivanti Sentry before the R10.5.2, R10.6.2 and R10.7.1 versions allows a remote […]
Threat actors are suspected to be exploiting a maximum-severity security flaw impacting Quest KACE Systems Management Appliance (SMA), according to Arctic Wolf
Interlock's post-exploit toolkit exposed Ransomware criminals exploited CVE-2026-20131, a maximum-severity bug in Cisco Secure Firewall Management Center software, as a zero-day vulnerability more than a month before Cisco patched the hole, according to Amazon security boss CJ Moses.…
A severe vulnerability affecting multiple MongoDB versions, dubbed MongoBleed (CVE-2025-14847), is being actively exploited in the wild, with over 80,000 potentially vulnerable servers exposed on the public web. [...]
Over 77,000 Internet-exposed IP addresses are vulnerable to the critical React2Shell remote code execution flaw (CVE-2025-55182), with researchers now confirming that attackers have already compromised over 30 organizations across multiple sectors. [...]
Nearly 76,000 WatchGuard Firebox network security appliances are exposed on the public web and still vulnerable to a critical issue (CVE-2025-9242) that could allow a remote attacker to execute code without authentication. [...]
Exploitation of the flaw, tracked as CVE-2025-10035, is highly dependent on whether systems are exposed to the Internet, according to Fortra.
Over 37,000 internet-exposed VMware ESXi instances are vulnerable to CVE-2025-22224, a critical out-of-bounds write flaw that is actively exploited in the wild. [...]
Approximately 22,500 exposed Palo Alto GlobalProtect firewall devices are likely vulnerable to the CVE-2024-3400 flaw, a critical command injection vulnerability that has been actively exploited in attacks since at least March 26, 2024. [...]
Jenkins, a popular open-source automation server, was discovered to be affected by a file read vulnerability, CVE-2024-23897.
Scans on the public web show that approximately 150,000 Fortinet FortiOS and FortiProxy secure web gateway systems are vulnerable to CVE-2024-21762, a critical security issue that allows executing code without authentication. [...]
Over 5,300 internet-exposed GitLab instances are vulnerable to CVE-2023-7028, a zero-click account takeover flaw GitLab warned about earlier this month. [...]
The Lockbit ransomware attacks use publicly available exploits for the Citrix Bleed vulnerability (CVE-2023-4966) to breach the systems of large organizations, steal data, and encrypt files. [...]
Meanwhile, CISA joins the call to patch CVE-2023-4966 immediately amid reports of mass-exploit activity; at least 5,000 orgs remain exposed.
Ongoing Rapid Reset DDoS flood attacks exposed organizations need to patch CVE-2023-44487 immediately to head off crippling outages and business disruption.
Thousands of Citrix Netscaler ADC and Gateway servers exposed online are likely vulnerable against a critical remote code execution (RCE) bug exploited by unauthenticated attackers in the wild as a zero-day. [...]
Thousands of Citrix Netscaler ADC and Gateway servers exposed online are likely vulnerable against a critical remote code execution (RCE) bug exploited by unauthenticated attackers in the wild as a zero-day. [...]
No less than 330000 FortiGate firewalls are still unpatched and vulnerable to CVE-2023-27997, a critical security flaw affecting Fortinet devices that have come under active exploitation in the wild