1. Overview  AhnLab SEcurity intelligence Center (ASEC) recently identified a case in which the Kimsuky group ultimately distributed the Funhouse ransomware via a malicious Hangul document that was disguised as a resume. The Funhouse ransomware was identified as a variant of previously disclosed endpoint ransomware, and the tools used in this attack—such as Quasar RAT—as […]

Website filtering can be enforced at four points in a request's lifecycle. What each layer sees, what routes around it, and why network filters miss traffic.

Cisco has released a fix for a maximum-severity flaw in its Identity Services Engine (ISE) platform after confirming the bug was already being exploited by attackers. The vulnerability, tracked as CVE-2026-76460, carries a perfect CVSS score of 10.0 and was patched by Cisco on September 16, 2026.  The flaw sits in an API within Cisco Identity Services Engine and stems from inadequate authentication checks on an API endpoint. Because of this weakness, an unauthenticated attacker could send a specially crafted request to that endpoint and slip past ISE's web-based management interface entirely, gaining unauthorized access to the device without needing valid credentials. 

CISA Adds CVE-2026-76460 to Its Exploited Vulnerabilities List 

Given that Cisco confirmed active exploitation of CVE-2026-76460, the Cybersecurity and Infrastructure Security Agency added the flaw to its Known Exploited Vulnerabilities catalog, a designation reserved for bugs already being weaponized in real-world attacks.  Cisco ISE has long served as one of the most widely deployed network access control tools in enterprise environments, helping organizations manage security policies centrally, confirm the identities of users and devices, and govern who and what can reach different parts of a network. That central role is precisely what makes a bypass of its authentication so dangerous, according to security researchers. 

Experts Warn of Ransomware and Lateral Movement Risk 

John Strand, owner of Black Hills Information Security, echoed the urgency, recommending that affected organizations patch immediately and disconnect ISE instances from direct internet exposure. Strand also warned that the bug could plausibly be leveraged in a ransomware attack.   Even so, he noted that relatively few ISE deployments appear to be directly exposed to the open internet, which limits the number of organizations at risk from an opportunistic, internet-facing attack. His larger concern is what happens after attackers are already inside a network: "I'd be more concerned about it as a post-exploitation lateral movement opportunity.   An attacker gets into the environment through something else, discovers a vulnerable ISE internally, and uses that to expand access or compound the damage." 

Signs of Compromise and Recommended Checks 

Cisco's advisory notes that successful exploitation can hand attackers root-level command execution, meaning they could potentially erase or mask evidence of their intrusion. The company is advising administrators to cross-reference network and firewall logs from outside the affected device to spot unusual activity, including unexpected data transfers to external addresses. Suspicious usernames in the access logs are cited as one possible indicator of compromise, and Cisco recommends checking every node in a distributed deployment. 

Affected Products and Fixed Releases 

The vulnerability affects Cisco ISE and ISE Passive Identity Connector regardless of how a device is configured. No workarounds exist, though Cisco suggests using infrastructure access control lists to restrict management traffic as a temporary mitigation. Fixed releases are available for versions 3.1 through 3.5, including 3.1 Patch 12, 3.2 Patch 11, 3.3 Patch 12, 3.4 Patch 7, and 3.5 Patch 4. Version 3.0 has already reached the end of software maintenance, so organizations still running it are advised to migrate to a supported release.  The issue was discovered during a Cisco Technical Assistance Center support case, and the advisory was published in final form on September 16, 2026. 

The AhnLab SEcurity intelligence Center (ASEC) recently identified the LegionLoader malware, which is currently being distributed via the ClickFix method. There are two main distribution methods identified so far; both involve tricking users into visiting a malicious URL and then prompting them to directly execute malicious PowerShell commands through a fake Cloudflare CAPTCHA screen.   […]

1. Overview The AhnLab SEcurity intelligence Center (ASEC) continuously monitors various threats targeting Linux environments. Techniques that modify the Linux kernel to conceal malware and signs of compromise have been used for a long time, and Syslogk is one such rootkit that operates in this manner. This document provides an analysis of the key features […]

Summary EndPoint is a ransomware variant formerly known as Midnight, which is believed to be built on the Babuk ransomware framework. It targets not only Windows environments, but also ESXi and NAS environments, and uses a double extortion method that combines file encryption with Data exfiltration threats. Overview Since the Babuk source code leak, several […]

An FTC report says that Americans last year lost $2.1 billion in social media scams, such as shopping and investment schemes. Social media site have become the place where most of these scams start, and more than half of that money was stolen in scams began on Facebook, WhatsApp, and Instagram.

The post U.S. Consumers Lost $2.1 Billion in Social Media Scams in 2025, FTC Says appeared first on Security Boulevard.

China-sponsored threat groups like Salt Typhoon and Flax Typhoon are increasingly relying on multiple massive botnets comprising edge and IoT devices to run their cyber espionage and network intrusion campaigns, CISA and other security agencies say. The use of such "covert networks" makes it more difficult to detect and mitigate their campaigns.

The post China-Backed Groups are Using Massive Botnets in Espionage, Intrusion Campaigns appeared first on Security Boulevard.

Introduction to BYOE Against the backdrop of organizations undergoing massive adoption of cloud services, it is critical to protect information from unauthorized access. The fact remains that most of the cloud service providers provide that most cloud services deliver strong encryption as a built-in feature, much of that worry arises when such service providers alsoRead More

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DigiCert G1 Retirement 2026: A Turning Point in Web PKI Evolution Mozilla and Google Chrome will revoke the G1 root certificates of DigiCert on April 15, 2026. When the certificate you are using TLS chains to one of those roots, the browsers immediately do not trust it. A security warning is shown to your users.Read More

The post DigiCert G1 Root Removal 2026: What It Means, Risks & Action Plan for Your TLS Infrastructure appeared first on EncryptedFence by Certera - Web & Cyber Security Blog.

The post DigiCert G1 Root Removal 2026: What It Means, Risks & Action Plan for Your TLS Infrastructure appeared first on Security Boulevard.

Introduction When it comes to sending data over the internet, two main protocols dominate the landscape: TCP, which stands for Transmission Control Protocol, and UDP stands for User Datagram Protocol. These protocols are important since they determine how information is transferred from one device to another. But what exactly are they, and how are theyRead More

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PAM tools are too complex for most orgs. Here’s why legacy apps drive risk and how PEDM offers a simpler fix.

The post The Endpoint Paradox: Why Legacy Software Makes Enterprise PAM Solutions Wrong for Most Organizations appeared first on Security Boulevard.

A recent CISA red team assessment of a United States critical infrastructure organization revealed systemic vulnerabilities in modern cybersecurity. Among the most pressing issues was a heavy reliance on endpoint detection and response (EDR) solutions, paired with a lack of network-level protections.

These findings underscore a familiar challenge: Why do organizations place so much trust in EDR alone, and what must change to address its shortcomings?

EDR’s double-edged sword

A cornerstone of cyber resilience strategy, EDR solutions are prized for their ability to monitor endpoints for malicious activity. But as the CISA report demonstrated, this reliance can become a liability when paired with inadequate network defenses. Here’s why:

1. Tunnel vision on endpoints: EDR excels at identifying threats on individual devices but struggles with network-wide attacks. This leaves gaps when hackers exploit lateral movement or unusual data transfers — activities that often require network-level visibility to detect.
2. Playing catch-up with threats: Traditional EDR tools depend on recognizing known indicators of compromise (IOCs). Advanced attackers can easily sidestep these tools by using novel techniques or blending in with legitimate activity.
3. Blind spots in legacy systems: Legacy environments often go unnoticed by EDR, giving attackers free rein. In the CISA case, these systems allowed the red team to persist for months undetected.
4. Overwhelmed defenders: Even when EDR generates alerts, security teams can become desensitized by a flood of notifications. As seen in the CISA assessment, critical warnings can slip through the cracks simply because defenders are too stretched to respond.

Common EDR pain points

The challenges highlighted in the CISA report mirror broader issues organizations face with EDR:

• Detection without context: EDR tools often spot anomalies on endpoints but fail to connect the dots across the broader network. This lack of context can leave organizations blind to coordinated attacks.
• Weak network integration: Without network-layer defenses, EDR struggles to identify malicious activities like unusual traffic patterns or data exfiltration, key tactics in advanced breaches.
• Fragmented systems: Many organizations operate a patchwork of security tools, leaving critical gaps in coverage and making it harder to correlate data across endpoints, networks and cloud environments.

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The next evolution of EDR

Recognizing these shortcomings, cybersecurity is rapidly evolving beyond traditional EDR. Here’s how:

1. Extended detection and response (XDR): XDR takes EDR to the next level by integrating endpoint, network and cloud data into a single platform. This broader scope allows organizations to see the full attack picture and respond more effectively.
2. AI-driven insights: Cutting-edge EDR solutions now harness machine learning to detect subtle behavioral anomalies. By identifying deviations from normal activity, these tools catch threats even when no IOCs exist.
3. Zero trust security: Zero trust architectures take endpoint defense a step further by ensuring no device or user is trusted by default. This integration of endpoint, identity and network security reduces dependence on EDR alone.
4. Network visibility: Modern EDR tools are incorporating network traffic analysis to close the gaps identified in the CISA report. Monitoring traffic for anomalies, such as unusual data flows or external connections, bolsters defenses.
5. Cloud-native solutions: As businesses embrace hybrid and cloud environments, EDR is evolving to provide seamless coverage across on-premises and cloud systems, addressing vulnerabilities in these critical areas.

Why do gaps persist?

Even with these advancements, many organizations struggle to fully address EDR’s limitations:

• Resource strains: Small security teams often lack the bandwidth or expertise to implement and manage advanced solutions like XDR.
• Budget constraints: Upgrading to integrated platforms or modernizing legacy systems can be costly.
• Legacy challenges: Outdated environments remain vulnerable, acting as weak points that attackers can exploit.
• Leadership missteps: As the CISA report pointed out, organizations sometimes deprioritize known vulnerabilities, leaving critical gaps unaddressed.

Building a more resilient future

The CISA red team findings are a wake-up call: Endpoint protection alone is no longer enough. To outsmart today’s sophisticated adversaries, organizations must adopt a layered defense strategy that integrates endpoint, network and cloud security. Solutions like XDR, zero trust principles and advanced behavioral analysis offer a path forward — but they require strategic investments and cultural shifts.

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