This guide arms you with the tradecraft necessary to conduct your own cybersecurity audits, ensuring your personal devices and home network are fortified against invisible threats.

In the digital age, where the line between our online and offline lives increasingly blurs, ensuring the cybersecurity of our personal devices and home network isn’t just prudent — it’s paramount.

Just as a field operative must always be aware of their surroundings, so too must we be vigilant of the invisible threats lurking in the digital shadows. Conducting your own cybersecurity audits is akin to a recon mission in enemy territory, identifying vulnerabilities before they can be exploited. Here’s a comprehensive, yet straightforward guide to fortifying your digital life against unwelcome intrusions.


In the vast majority of scenarios, the necessity to hire a professional to conduct a cybersecurity audit on your personal devices and home network might feel like calling in a special ops team for a routine surveillance mission, overkill for the task at hand. Most digital threats encountered by individuals can be effectively countered with a combination of common sense, basic cybersecurity knowledge, and the implementation of standard security practices.

By educating oneself on the fundamentals of “digital hygiene”, you empower yourself to identify and mitigate potential vulnerabilities. This self-reliance not only cultivates a deeper understanding of your digital environment but also ensures that you are well-equipped to adapt to evolving threats without the need for constant external intervention.


Understand Your Terrain

The first step in any operation, be it in the physical field or on the digital front, is understanding the terrain. Inventory every device that connects to your home network, including smartphones, tablets, laptops, and even ‘smart’ home devices like thermostats and security cameras. Acknowledge that each of these is a potential entry point for adversaries and treat them accordingly.


Update Your Arsenal

In the field, having outdated intel or equipment can be a fatal flaw. Apply this wisdom to your devices – regularly update all software, operating systems, and applications. These updates often include patches for security vulnerabilities that, if left unaddressed, could serve as easy access points for attackers.


Fortify Your Perimeter

Your home network is your first line of defense, much like the perimeter of a secure facility. Ensure it’s fortified by changing the default username and password on your router, utilizing strong, unique passwords, and employing network encryption – WPA3 is the gold standard. Consider using a Virtual Private Network (VPN) for an additional layer of encryption, effectively cloaking your digital movements.


Conduct Reconnaissance

Just as a field operative must know their enemy, you must regularly scan your network for vulnerabilities. Use reputable cybersecurity tools to perform vulnerability scans on your network. These tools can identify weaknesses, such as open ports or unsecured devices, allowing you to address them before they can be exploited.


Establish Surveillance

Implementing continuous monitoring of your network can be likened to setting up surveillance on a target. Utilize security software that includes real-time threat detection and monitoring. This allows you to be alerted to any suspicious activity as it occurs, enabling you to respond swiftly.


Practice Disinformation

In the realm of cybersecurity, disinformation can be a tool – specifically, in the form of misleading potential attackers. This can include using honeypots, or decoy systems, designed to distract attackers from your actual assets. While more advanced, this tactic can waste adversaries’ time and resources, all while you gather intelligence on their methodologies.


Master Operational Security (OpSec)

OpSec is as crucial in the digital domain as it is in the field. Be mindful of the information you share online, particularly on social media. Operatives understand the value of information – limiting what you share can prevent adversaries from gaining insights into your life, your habits, and potentially your passwords and security questions.


Engage in Continuous Training

The digital landscape, much like the geopolitical one, is in constant flux. Stay informed about the latest in cybersecurity threats and protective measures. Regularly review and update your security protocols to adapt to new threats, ensuring your defenses remain robust.


Self Cybersecurity Auditing on a Rooftop in Paris | TRDCRFT Tradecraft

Essential Cybersecurity Checks

By regularly performing these checks, you not only safeguard your digital life but also develop a keen sense for detecting potential threats before they materialize.

Update and Patch Systems: Ensure all devices and software are up to date with the latest patches and updates to fix known vulnerabilities.

Secure Your Wi-Fi Network: Change the default router login credentials to something strong and unique, and enable WPA3 encryption on your Wi-Fi network.

Use Strong, Unique Passwords: For all online accounts and devices, use complex passwords and never repeat them across different services. Consider using a password manager.

Enable Multi-Factor Authentication (MFA): Wherever possible, activate MFA to add an extra layer of security beyond just a password.

Install and Update Antivirus Software: Use reputable antivirus software and ensure it’s set to update automatically.

Firewall Enablement: Ensure your devices’ firewalls are activated to monitor incoming and outgoing network traffic and block suspicious activity.

Audit Connected Devices: Regularly review devices connected to your network and ensure no unknown devices have access.

Regular Backups: Perform regular backups of important data, storing copies in a secure, off-site location or using a cloud service with strong encryption.

Review App Permissions: Regularly check the permissions granted to applications on your devices and revoke any unnecessary or excessive permissions.

Secure Physical Devices: Use biometric locks or strong passwords to secure physical access to your devices and enable tracking/remote wipe features in case they are lost or stolen.

Beware of Phishing Attempts: Train yourself to recognize phishing emails or messages, never click on suspicious links, and verify the authenticity of requests for personal information.

Encrypt Sensitive Data: Use encryption tools to protect sensitive data stored on your devices, ensuring that even if accessed, the information remains confidential.

Monitor Financial Transactions: Regularly review your bank and credit card statements for unauthorized transactions.

Conduct Network Scans: Use network scanning tools to detect vulnerabilities or unauthorized access points within your home network.

Stay Informed: Keep abreast of the latest cybersecurity threats and trends, adjusting your practices as necessary to stay defended.


Conducting your own cybersecurity audits might seem daunting at first glance, but with the right approach, it’s entirely feasible. Much like the world of covert operations, success in cybersecurity doesn’t come from a single action but from continuous, diligent effort.

By adopting a proactive stance and implementing the strategies outlined above, you can significantly enhance the security of your personal devices and home network, keeping your digital life both safe and defended.

[INTEL : 6 Tactics to Not be a “Cyber Mark”, Guerrilla Warfare Tactics and Tradecraft]

[OPTICS : Paris, France]