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Last Updated: Tuesday 28th November 2023

python cyber security

Python is the go-to programming language for cyber defense. It’s easy to learn but incredibly powerful and versatile. Python can help you secure digital systems from bad actors trying to expose vulnerabilities and malicious attacks.

Whether you're building a startup or securing a big tech enterprise doesn't matter. It would be best to have meticulous attention when it comes to cybersecurity. Here are 10 tips for using Python for cyber defense.

1. Use it to identify vulnerabilities

The entire community creates robust libraries because Python is an open-source coding language. It doesn’t matter if you’re building a web app, a new blockchain, or an automated bot. There’s already a function to make it easier.

You can use it to help you track and identify suspicious activity, scrutinize network traffic, or make an app that checks vulnerabilities.

2. Check if your web application is secure

Say goodbye to your database if you don't protect it from SQL injection attacks. That's one of the most popular ways to breach systems, and many developers forget to protect their web apps from it.

Luckily, libraries like Flask and Django will help you counter such attempts. Scrapy, Urllib, and Requests make it easy to scrape data and fetch information from websites quickly. The Cryptography and pyJWT libraries give you all the tools to encrypt data and authenticate users.

3. Cryptography libraries can help you encrypt data

You can’t let hackers get access to raw data. Encryption is a must in any web or communications system. There’s a wide variety of solutions to help you scramble data and make it impossible to crack. Digital signatures, asymmetric and symmetric algorithms, and hashing functions will be at your disposal. All you have to do is set them up and create secure systems.

Cryptocurrencies are becoming popular again, and scams and hacks defined the previous bull run. Python has unrivaled dependability and protection. It should be your go-to solution for blockchain apps to encrypt data and protect it.

4. Automate the tedious and repetitive stuff

When you think of Python, you think of automation. It’s fun, and you can replace boring processes with code. Even more fun is that you can use automation to check for security measures.

Create scripts that detect intrusions, scan network vulnerabilities, and check machine patches. Then, set them to run automatically. While the scripts run on autopilot, create a few test cases and save more of your future time.

5. Train your machine learning algorithms

Machine learning and cybersecurity go together like peanut butter and jam. You can create algorithms to identify phishing attacks and malware. Big data isn’t a problem for Python. The more data you feed it, the better your code will get at predicting future events.

6. Crackdown on password security

Weak passwords are still a problem that hackers exploit. More than 30% of all internet users have been hacked because of it. Even worse, most people use the same password on every platform.

This is where the passlib library comes to save the day. It checks whether a string is strong enough as a password. It also has functions to create hashes as additional protection.

7. Use it for digital forensics checks

In case of a breach or a cybercrime, experts use forensics to check for digital evidence. They recover artifacts, search for patterns, and create reports to bring to court. Use Python to get accurate results while you speed up the process.

8. Reverse engineer attacks

Cybersecurity experts are working hard to mitigate the attack when new malware hits consumers or businesses. This is especially important for ransomware, where hackers lock data and keep it hostage. No one wants to pay millions for a 50-50 chance that the hacker will keep their end of the deal.

Python allows you to analyze the structure and components of a system and see how it works. When you know how malware works, you can take the necessary steps to eradicate it. You can use libraries to trace a data path, imitate code, inspect malware, and retrieve data.

9. Secure your network

Every business moves from local storage to the cloud. But data is the most vulnerable when it’s in transit. You can make Python scripts to safeguard data and protect your network.

Automate the boring configuration tasks and strengthen your routers and IoT devices. A hacker needs one entry point to breach an entire system. Another way to secure your network is to use a US VPN and enable it on your router. Don’t let unauthorized access be the downfall of all your hard work. Enhance your network security and reduce exposure to cyberattacks.

10. Perform penetration testing

Paramiko, Scapy, and Snort are the most popular Python libraries for penetration testing. You can use them to access remote systems that enable port forwarding, tunneling, and packet manipulation. They can also help you plan for network intrusions and proxy server support.

Before deploying a new project, service, or app, you must check it for vulnerabilities. Python is the best for this task because it can generate reports. You'll know all the weaknesses in minutes, crack weak passwords, and automate the process.