Threat Modeling and Security by Design

Threat modeling tooling: Use our tool to start threat modeling within minutes.

Solve your threat modeling problems: We can help you to implement threat modeling and security by design.

Learn about threat modeling: We have lots of content to teach you about threat modeling.

Our Threat Modeling Tool Helps you to Perform Structured Threat Modeling at Scale

It’s easy to get started with threat modeling and gain initial security value from it. However, rolling out structured threat modeling at scale is a different matter. Our threat modeling tool helps you to get the most of threat modeling, in order to apply security by design and default.

  • Powerful assessment engine to understand potential threats and security weakness.
  • Flexible Diagram engine to visualize components and communication flows in play.
  • Clear reporting and metrics for compliance demonstration.

Try our threat modeling tool and get started within minutes!

Methods

Learn about the various threat modeling methods such as STRIDE, PASTA, LINDDUN, and Persona non Grata.

Tooling

We have a full list of threat modeling tools that can help to perform threat modeling. Including our own threat modeling tool.

Templates

Templates can help to kickstart the process. We have lots of free templates available.

Examples

We believe that you learn best from practical and real-world examples. We have lots of example cases and threat models available.

BerriAI LiteLLM Security Advisory: 5 New Vulnerabilities Disclosed — Authentication Bypass and API Key Exposure

Note: This advisory covers 5 newly disclosed LiteLLM CVEs. For the CISA KEV CVE-2026-42271 (command injection, due TODAY June 22), see our dedicated CVE-2026-42271 advisory.BerriAI LiteLLM, the widely deployed open-source LLM gateway, has disclosed five additional vulnerabilities covering authentication bypass, API key exposure, and authorization weaknesses. These were disclosed over the weekend of June 21-22 and should be addressed alongside today’s CISA KEV deadline…

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Vulnerability Intelligence Report — June 22, 2026

Vulnerability Intelligence Report — June 22, 2026 Coverage: June 1–22, 2026 | Total CISA KEV additions (period): 16 | New KEVs: 0 | KEV deadline TODAY: BerriAI LiteLLM | KEV deadlines TOMORROW: Triple (Chromium V8, Arista EOS, Cisco SD-WAN) | Splunk deadline passed (June 21) | Total overdue KEVs: 11 Previous reports: June 21, 2026 | June 20, 2026 Today — Monday, June 22,…

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CVE-2026-11551: Branda WordPress Plugin Privilege Escalation Vulnerability (CVSS 9.8)

What Is CVE-2026-11551? CVE-2026-11551 is a critical authentication bypass and privilege escalation vulnerability in the Branda WordPress plugin, carrying a CVSS score of 9.8. The flaw allows unauthenticated attackers to completely take over any user account—including administrator accounts—without requiring any prior access or credentials. Exploitation leads to full site compromise. Affected Versions All versions of the Branda plugin are affected. No version is known…

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AryStinger Botnet Infects Thousands of D-Link Routers Worldwide

What HappenedA newly identified botnet tracked as AryStinger has been observed actively compromising thousands of D-Link routers across the globe. The campaign exploits known vulnerabilities in end-of-life and unpatched D-Link router models, deploying a lightweight malware payload that enrolls each compromised device into a sprawling botnet. The infected routers are being leveraged as both DDoS launch nodes and covert proxy endpoints, enabling the operators…

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North Korean Hackers Linked to Mastra AI Supply Chain Attack — AI/ML Ecosystem Targeted

What Happened Microsoft Threat Intelligence has attributed a sophisticated supply chain attack targeting the Mastra AI framework to state-sponsored actors operating out of the Democratic People’s Republic of Korea (DPRK). The compromise, discovered in early June 2026, represents a strategic escalation in North Korean cyber operations, pivoting from traditional financial heist motives toward the emerging AI/ML orchestration ecosystem. Mastra AI is a rapidly growing…

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New Prinz Eugen Ransomware Prioritizes Recent Files for Faster Encryption Impact

What HappenedSecurity researchers have identified a new ransomware variant dubbed Prinz Eugen that appends the .prinzeugen extension to encrypted files. First observed in the wild in June 2026, this strain introduces a notable behavioral twist: it deliberately prioritizes recently accessed and modified files before expanding to the rest of the filesystem.TacticUpon execution, Prinz Eugen queries the file system for files with recent access timestamps…

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