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Category — Zero Trust
How to Defend Against Root-of-Trust Attacks: Lessons from Secret Blizzard

How to Defend Against Root-of-Trust Attacks: Lessons from Secret Blizzard

Aug 18, 2025
In early 2025, Russian state-backed threat group Secret Blizzard targeted foreign embassies with a man-in-the-middle (MITM) attack that bypassed MFA. Instead of sending phishing emails or dropping malware, they compromised the root of trust on embassy systems — the mechanism that determines which connections and certificates are trusted. By controlling local internet infrastructure inside Russia, Secret Blizzard: Used that certificate to impersonate legitimate websites without triggering browser warnings. Intercepted "secure" traffic to harvest session tokens, cookies, and credentials — without detection. High-signal takeaway: A root-of-trust compromise undermines all Transport Layer Security (TLS)-based protections, including FIDO-based MFA. Why Traditional MFA and FIDO Fail Against This Attack Seemingly secure MFA assumes secure TLS connections. When TLS is compromised via a rogue root certificate, the browser happily connects to an attacker-controlled endpoint. This break...
Why Traditional Approaches to Patch Management Fail in the Era of SaaS Sprawl and BYOD

Why Traditional Approaches to Patch Management Fail in the Era of SaaS Sprawl and BYOD

Aug 18, 2025
Device and software vulnerabilities pose an increasing risk to modern security. However, patch management is an infamously difficult (and downright Sisyphean) task for IT and security teams, who are faced with an ever-growing list of CVEs to remediate. This task was difficult enough in the days of on-premise environments, but a modern distributed workforce has to contend with all the users, devices, and applications that may exist outside the purview of traditional security solutions, like MDM. Overall, with the ever-growing number of CVEs and the ever-growing sprawl of shadow IT, patch management has become both more urgent and more daunting than ever. IT and security teams need to adopt zero trust methods to ensure that only healthy and patched devices are able to access their critical systems. With the help of SaaS management and employee-remediation tactics, teams can do even more to improve efficacy and support for their company-wide patch management programs.  French philo...
EDR Detects, EPM Prevents. Why Using Both is a Winning Formula for Modern Endpoint Protection

EDR Detects, EPM Prevents. Why Using Both is a Winning Formula for Modern Endpoint Protection

Jul 28, 2025
The Perfect Recipe for Endpoint Security Calls for Privilege Control Today's most effective ransomware attacks don't require malware; they require a login. Modern threat actors don't need to break in. They can leverage legitimate identities and their privileges to gain a foothold, then continue to capitalize on them, moving laterally to probe for more opportunities and manipulate vulnerabilities and exploits to spread ransomware and spyware. A vulnerable identity or account tied to an endpoint can quickly become an attacker's ticket to your most valuable assets and controls.  With legitimate identities being used as the initial foothold in more attacks, we're seeing less 'anomalous' activity and far more seemingly normal actions performed by a trusted, privileged user. And attackers are keenly aware of how easily they can 'hide' behind these legitimate user accounts.  This is why Endpoint Detection and Response (EDR) is really only one piece of the endpoint protection puzz...
Empower Users and Protect Against GenAI Data Loss

Empower Users and Protect Against GenAI Data Loss

Jul 22, 2025
When generative AI tools became widely available in late 2022, it wasn't just technologists who paid attention. Employees across all industries immediately recognized the potential of generative AI to boost productivity, streamline communication and accelerate work. Like so many waves of consumer-first IT innovation before it—file sharing, cloud storage and collaboration platforms—AI landed in the enterprise not through official channels, but through the hands of employees eager to work smarter. Faced with the risk of sensitive data being fed into public AI interfaces, many organizations responded with urgency and force: They blocked access. While understandable as an initial defensive measure, blocking public AI apps is not a long-term strategy—it's a stopgap. And in most cases, it's not even effective. Shadow AI: The Unseen Risk The Zscaler ThreatLabz team has been tracking AI and machine learning (ML) traffic across enterprises, and the numbers tell a compelling story. In 2024 ...
How to "Go Passwordless" Without Getting Rid of Passwords

How to "Go Passwordless" Without Getting Rid of Passwords

Jul 21, 2025 Passwordless / SaaS Security
With every credential breach that hits the news, CISOs and security professionals continually reach the same conclusion: passwords are insecure, and we should abandon them in favor of less risky authentication factors. But, secure or not, passwords are stubborn. The 2025 Verizon DBIR rated the likelihood of this being the year we finally eliminate passwords as being on par with "this being the year of the Linux desktop."  Any IT or security pro who has had to explain passkeys to their coworkers can tell you that 2025 isn't going to be the year we do away with passwords. Frankly, that year's not likely to come any time soon. Even if it were technically feasible (it often isn't) to transition every single login at a company to passkeys or biometrics, that would take years of concentrated effort. In the meantime, security leaders can't afford to sit on their hands and ignore the credential risks currently facing their company.  We need a new approach to thinking about secur...
Shadow AI: How to Mitigate the Hidden Risks of Generative AI at Work

Shadow AI: How to Mitigate the Hidden Risks of Generative AI at Work

Jul 07, 2025
Sub: GenAI is here to stay. The organizations that thrive will be those that understand its risks, implement the right safeguards, and empower their employees to harness it safely and responsibly. For many people, generative AI (GenAI) began as personal experimentation in homes and on personal devices. Now, however, AI has become deeply ingrained in workplace habits, creating productivity gains, but also exposing organizations to significant security gaps. Sensitive company data, inadvertently or otherwise, regularly finds its way into public AI systems, leaving IT and cybersecurity leaders scrambling to respond. Once proprietary data is processed by a public AI tool, it may become part of the model's training data, serving other users down the line. For example, in March 2023, a multinational electronics manufacturer was reported to have experienced several incidents of employees entering confidential data, including product source code, into ChatGPT. Generative AI applications, su...
Identity-First Security: A Multilayered Approach to Reducing Identity Attack Risk

Identity-First Security: A Multilayered Approach to Reducing Identity Attack Risk

Jun 02, 2025
Identity Is the New Perimeter—And It's Fractured In 2025, identity isn't just a security issue—it's the battleground. And too many organizations are getting caught flat-footed. Organizations today must reckon with complex hybrid environments that contain interconnected endpoints, servers, cloud services, DevOps systems, identity infrastructure, and much more. And with enterprise systems no longer fitting neatly into a single network perimeter, the identities used to interact with these systems have become the new perimeter.  A strong cybersecurity foundation starts with clear visibility that puts risk in content. Identity security is no different. However, in practice, identity management systems are anything but centralized. Building IDs and access to physical offices are handled by one system. Logins to Windows machines are generally managed with Windows domains and Active Directory—but what about Macs and Linux machines? Companies use Okta, Ping Identity, or the equivalent ...
Zscaler ThreatLabz 2025 Phishing Report: Phishing Evolves With GenAI

Zscaler ThreatLabz 2025 Phishing Report: Phishing Evolves With GenAI

May 26, 2025
Gone are the days of mass phishing campaigns. Today's attackers are leveraging generative AI (GenAI) to deliver hyper-targeted scams, transforming every email, text, or call into a calculated act of manipulation. With flawless lures and tactics designed to outsmart AI defenses, cybercriminals are zeroing in on HR, payroll, and finance teams—exploiting human vulnerabilities with precision. The Zscaler ThreatLabz 2025 Phishing Report dives deep into the rapidly evolving phishing landscape and uncovers the latest trends, including top phishing targets, real-world examples of AI-driven phishing attacks, and actionable best practices to defend against the next wave of AI-powered phishing threats. Key findings on phishing attacks The ThreatLabz research team analyzed over 2 billion blocked phishing transactions captured across the Zscaler Zero Trust Exchange™ cloud security platform from January 2024 to December 2024 and uncovered several key findings: Phishing is down but is more tar...
Breach Fatalism is Over: Why Identity Threat Prevention Is the Future of Cybersecurity

Breach Fatalism is Over: Why Identity Threat Prevention Is the Future of Cybersecurity

May 19, 2025
Identity-based attacks are the #1 cause of breaches, often exploiting weaknesses in traditional identity platforms. It's time for a proactive approach that addresses these gaps and stops threats before they strike. Identity has become the primary attack surface in cybersecurity. According to Forbes, 75% of cyberattacks leverage identity-based threats. Threat actors gain access using stolen credentials, compromised devices, and deepfake impersonation techniques, often bypassing traditional defenses without detection. Many identity platforms rely on MFA, such as push notifications and one-time passcodes (OTPs), which were once considered secure but are now frequently exploited through phishing, MFA fatigue, and man-in-the-middle attacks. The rise of generative AI has made these threats more effective and more prevalent.  To compensate, organizations have deployed tools like Endpoint Detection and Response (EDR), Network Detection and Response (NDR), and Identity Threat Detection ...
JPMorgan CISO Spotlights SaaS Security Concerns. What Now?

JPMorgan CISO Spotlights SaaS Security Concerns. What Now?

May 19, 2025
The cybersecurity community has been buzzing about JPMorgan Chase CISO Pat Opet's open letter to third-party suppliers since its release right before RSA. This candid assessment from the security leader of one of the world's largest financial institutions has struck a chord, particularly his observations about SaaS security. Opet didn't mince words: " SaaS models are fundamentally reshaping how companies integrate services and data—a subtle yet profound shift eroding decades of carefully architected security boundaries ." This statement encapsulates a reality that security professionals have been grappling with—the traditional security perimeter has dissolved, replaced by a complex web of interconnected SaaS applications, each with their own configurations, access controls, and data sharing capabilities. Let's break down the key issues highlighted in Opet's letter and explore practical solutions. The New SaaS Security Challenges OAuth Vulnerabiliti...
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