Unlocking the Power of Automated Code Scanning with semgrep: Safeguard Your Software Today!

⚗ Kevin Summersill 🔋
2 min readFeb 13, 2023

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In today’s increasingly digital and interconnected world, software security is more important than ever. Manual code reviews are often time consuming and labor intensive, and automated scanning tools can help. One such tool is Semgrep, an open-source static analysis engine designed to identify potential security and bug-related issues in code.

Semgrep works by “greping” through code, searching for specific patterns and structure, and flagging any issues it finds. It is particularly useful for identifying common security flaws such as SQL injection and Cross-Site Scripting. It can also be used to automate a large portion of the code review process, especially for web applications.

Using Semgrep to scan code is straightforward and simple. First, you’ll need to install the Semgrep CLI tool, which is available for both Linux and macOS. After installation, all you need to do is run the following command from your project’s root directory:

$ semgrep --config ./semgrep-config.yml .

This will run the Semgrep engine on all the code in the current directory, and display a list of any potential issues it finds. The best part is that Semgrep is highly customizable, allowing you to adjust the severity of reported issues or tweak which kinds of issues are flagged. You can even create custom Semgrep rules to detect specific patterns or issues in your code.

Semgrep is a powerful security and code analysis tool that can be used to scan source code for potential vulnerabilities and errors. It is capable of analyzing Java, C/C++, Python, and JavaScript code, as well as many other languages. With Semgrep, you can quickly identify and analyze suspicious code, such as code containing potential security flaws, performance issues, or incorrect usage of APIs. It can also detect redundant templates, bugs, and hardcoded values, along with many other coding issues. Additionally, Semgrep is capable of alerting on potential code injection flaws.

Overall, Semgrep is an easy-to-use static analysis tool that can save time and effort in code reviews and security scans. With the ability to customize rules and flag common security flaws, it is a great choice for any development team. The installation is simple and the results are lightning-fast, so you can be up and running in no time. If you’re looking for an automated code scanner that can give you comprehensive security visibility, Semgrep is an excellent choice.

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⚗ Kevin Summersill 🔋

Enterprise Solution Architect | Certified K8s Administrator/Developer ⚓ | SAFe SPC | Cert Terraform | AWS Solutions Architect | Dev*Ops/GitOps Engineer 🔥