OWASP Code Review Guide is a technical book written for those responsible for code reviews management, developers, security professionals. This project has produced a book that can be downloaded or purchased. A owasp code review guide v2. We plan to release the final version in Aug. All comments should indicate the specific relevant page and section.

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It could be full content data, but is more likely to be an extract or just summary properties. The application logs must record "when, where, who and what" for each event.

GPS event date and time Action - original intended purpose of the request e. Success, Fail, Defer Reason - why the status above occurred e. User not authenticated in database check Note A: The "Interaction identifier" is a method of linking all relevant events for a single user interaction e.

The application knows all these events relate to the same interaction, and this should be recorded instead of losing the information and forcing subsequent correlation techniques to re-construct the separate events. For example a single SOAP request may have multiple input validation failures and they may span a small range of times. As another example, an output validation failure may occur much later than the input submission for a long-running "saga request" submitted by the application to a database server.

Data to exclude Never log data unless it is legally sanctioned. For example intercepting some communications, monitoring employees, and collecting some data without consent may all be illegal.

However, you may want to include a classification flag for each of these in the recorded data. The following should not usually be recorded directly in the logs, but instead should be removed, masked, sanitized, hashed or encrypted: Application source code Session identification values consider replacing with a hashed value if needed to track session specific events Access tokens Sensitive personal data and some forms of personally identifiable information PII e.

In some systems, sanitization can be undertaken post log collection, and prior to log display. Customizable logging It may be desirable to be able to alter the level of logging type of events based on severity or threat level, amount of detail recorded. Document the interface referencing the organisation-specific event classification and description syntax requirements.

Perform input validation on event data from other trust zones to ensure it is in the correct format and consider alerting and not logging if there is an input validation failure Perform sanitization on all event data to prevent log injection attacks e. In these cases attempt to measure the time offset, or record a confidence level in the event time stamp. In some cases, events may be relayed or collected together in intermediate points. In the latter some data may be aggregated or summarized before forwarding on to a central repository and analysis system.

Protection The logging mechanisms and collected event data must be protected from mis-use such as tampering in transit, and unauthorized access, modification and deletion once stored. In addition, the collected information in the logs may itself have business value to competitors, gossip-mongers, journalists and activists such as allowing the estimate of revenues, or providing performance information about employees.

This data may be held on end devices, at intermediate points, in centralized repositories and in archives and backups. Consider whether parts of the data may need to be excluded, masked, sanitized, hashed or encrypted during examination or extraction.

At rest: Build in tamper detection so you know if a record has been modified or deleted Store or copy log data to read-only media as soon as possible All access to the logs must be recorded and monitored and may need prior approval The privileges to read log data should be restricted and reviewed periodically In transit: If log data is sent over untrusted networks e.

Legal, regulatory and contractual obligations may impact on these periods. Related articles.


OWASP Code Review Guide

Your app is ready to go, right? In many industries, including the healthcare and payment verticals, secure code reviews are a mandatory part of the compliance requirement, and they offer an added layer of security before your application is released. Whether mandated or not, secure code reviews offer an added value for the security of your application and the organization at large. As the last threshold before an app is released, secure code reviews are an integral part of the security process. They serve as a sort of final review to check that your code is safe and sound, and that all dependencies and controls of the application are secured and functional.


5 Best Practices for the Perfect Secure Code Review

We plan to release the final version in Aug. The primarily focus of this book has been divided into two main sections. Section one is why and how of code reviews and sections two is devoted to what vulnerabilities need to be to look for during a manual code review. While security scanners are improving every day the need for manual security code reviews still needs to have a prominent place in organizations SDLC Secure development life cycle that desires good secure code in production.



As of [update] , Matt Konda chaired the Board. The Development Guide covers an extensive array of application-level security issues, from SQL injection through modern concerns such as phishing, credit card handling, session fixation, cross-site request forgeries, compliance, and privacy issues. OWASP Testing Guide: The OWASP Testing Guide includes a "best practice" penetration testing framework that users can implement in their own organizations and a "low level" penetration testing guide that describes techniques for testing most common web application and web service security issues. Version 4 was published in September , with input from 60 individuals. This project provides a proactive approach to Incident Response planning. It is designed to be used by people with a wide range of security experience including developers and functional testers who are new to penetration testing.

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