STRIDE is a model of threats developed by Praerit Garg and Loren Kohnfelder at Microsoft for identifying computer security threats. It provides a mnemonic for security threats in six categories.
The threats are:
- Information disclosure (privacy breach or data leak)
- Denial of service
- Elevation of privilege
The STRIDE was initially created as part of the process of threat modeling. STRIDE is a model of threats, used to help reason and find threats to a system. It is used in conjunction with a model of the target system that can be constructed in parallel. This includes a full breakdown of processes, data stores, data flows and trust boundaries.
Today it is often used by security experts to help answer the question "what can go wrong in this system we're working on?"
Each threat is a violation of a desirable property for a system:
|Denial of Service||Availability|
|Elevation of Privilege||Authorization|
Notes on the threatsEdit
Repudiation is unusual because it's a threat when viewed from a security perspective, and a desirable property of some privacy systems, for example, Goldberg's "Off the Record" messaging system. This is a useful demonstration of the tension that security design analysis must sometimes grapple with.
Elevation of Privilege is often called escalation of privilege, or privilege escalation. They are synonymous.
- Attack tree – another approach to security threat modeling, stemming from dependency analysis
- Cyber security and countermeasure
- DREAD (risk assessment model) – another mnemonic for security threats
- OWASP – organization devoted to improving web application security through education
- CIA also known as AIC – another mnemonic for a security model to build security in IT systems
- Shostack, Adam. ""The Threats To Our Products"". Microsoft SDL Blog. Microsoft. Retrieved 18 August 2018.
- Kohnfelder, Loren; Garg, Praerit (April 1, 1999). "The threats to our products". Microsoft Interface. Retrieved 18 August 2018.
- "The STRIDE Threat Model". Microsoft. Microsoft.
- Guzman, Aaron; Gupta, Aditya (2017). IoT Penetration Testing Cookbook: Identify Vulnerabilities and Secure your Smart Devices. Packt Publishing. pp. 34–35. ISBN 978-1-78728-517-0.
- Shostack (2014). Threat Modeling: Designing for Security. Wiley. pp. 61–64. ISBN 978-1118809990.
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