Mobile App Penetration TestJan Kahmen6 min read

5 Reasons Why You Should Conduct Pentests

As cyberattacks grow more sophisticated, it is essential to verify that your security measures can withstand real-world threats through penetration testing.

As cyberattacks grow increasingly sophisticated, it is the responsibility of every organization to ensure that its security systems can effectively withstand real-world threats. One of the most important tools available for this purpose is penetration testing -- commonly known as pentesting. During a pentest, a security expert uses the same techniques a malicious hacker would employ to gain access to your IT systems: password cracking, specialized analysis tools, or even social engineering. Germany's Federal Office for Information Security (BSI) confirms this assessment in its IT Security Status Report.

Not sure whether pentesting is right for you? Here are five reasons why you should invest in penetration tests to keep your organization secure.

1. Uncover Hidden System Vulnerabilities Before a Real Attacker Does

The most reliable way to assess your own security posture is to examine how your systems can be attacked. A pentest provides the opportunity to test your systems' resilience against external threats. It simulates the approach of a potential attacker by deliberately exploiting vulnerabilities caused by coding errors, software flaws, or insecure configurations.

The key difference between a pentest and an actual attack lies in its controlled execution. A pentest simulates a realistic attack scenario but exploits vulnerabilities solely to demonstrate the potential damage. Moreover, your organization can define the scope and timeframe of the test in advance and is informed about every active exploitation of vulnerabilities in your IT infrastructure.

The most valuable aspect of pentesting is arguably this: it subjects your defenses to the same pressure as a real attack, exposing the weaknesses in your system. At the same time, a controlled, professional test means you do not have to learn from a costly security breach. Instead, vulnerabilities can be remediated before an attacker has the chance to exploit them.

2. Reduce Remediation Costs and Minimize Downtime

While it may seem counterintuitive, investing in pentests actually saves your organization significant money in the long run. Pentests identify the most critical vulnerabilities and show you where your security budget can be spent most effectively. Without this targeted analysis, you would need to spread your resources much more broadly.

Additionally, pentests help avoid substantial costs over time. Beyond the risk of regulatory fines for inadequate protection of customer data, a security breach can lead to a severe loss of trust among your clients. By using pentests to eliminate potential weaknesses early, you can avoid the enormous costs associated with an actual incident. Recovery from an attack can cost your organization thousands or even millions of euros -- including expenses for customer protection programs and lost business continuity.

3. Ensure Compliance with Security Regulations

Pentests play a crucial role in protecting your organization and its assets from attacks. However, their benefits extend well beyond network and data security.

According to a study, the average cost of data breaches in 2019 was approximately 3.96 million euros worldwide -- a 6.5% increase over the previous year. Restoring normal operations after such an incident requires significant investment, extensive security measures, and weeks of recovery work. A penetration test can also help your organization meet its accountability obligations under the GDPR.

4. Protect Your Company's Reputation and Customer Loyalty

Security incidents can compromise your sensitive data, leading to customer loss and severe reputational damage. Pentests help you avoid costly security breaches that put your company's reputation and customer loyalty at stake. Furthermore, the scope of a pentest can be flexibly adapted as the complexity of your systems grows.

Ultimately, only a pentest can provide a realistic assessment of your organization's security posture and its resilience against attacks. It reveals how successful a malicious attack on your IT infrastructure could be. Beyond that, it helps you prioritize security investments, meet regulatory requirements, and develop effective defense mechanisms to keep your organization protected in the long term.

5. Develop Effective Security Measures and Invest in the Right Areas

The results of a pentest are essential for evaluating the current security level of your IT systems. They provide management with valuable insights into identified vulnerabilities, their relevance, and their potential impact on system functionality and performance. An experienced penetration tester will also provide recommendations for timely remediation and support you in building a robust security framework. For banks in particular, proactive IT investment in cyber defense is especially important, as they are more frequently targeted by attackers.

How do you know where to invest? This is exactly where pentests come in. Once you know where your defenses are most vulnerable, you can allocate your budget strategically to ensure effective protection.