What Is an Ethical Hacker?

Hackers have a bad reputation. They break into security systems, steal data, and cause financial damage. But is that reputation deserved? We explain why some hackers are far better than their public image suggests and how ethical hackers help your business protect itself from attacks.

From Free Phone Calls to the First Home Computer

The term "hacker" dates back to the 1960s and was first coined by an American amateur radio operator who called himself Captain Crunch. In a report, Tripwire describes the evolution: he manipulated telephones with a toy whistle so he could make free long-distance calls. Hacking originally referred to the attempt to overcome an obstacle through the creative use of technology. Captain Crunch inspired an entire generation of young computer enthusiasts. Some of them founded the Homebrew Computer Club and invented the world's first personal computer. Among them were Steve Jobs and Steve Wozniak - the founders of Apple.

Good Hackers, Bad Hackers: White-Hat, Grey-Hat and Black-Hat

This definition differs significantly from the widespread public image of hackers. The stereotype of the hacker bent on destruction was shaped primarily in the 1980s. In the early years of the internet, the technology was surrounded by a sense of fascination that movie studios around the world capitalized on. This gave rise to the cliche of the overweight teenager hunched over a screen all night, breaking into government computers. Even back then, however, this had little to do with reality.

Instead, the distinction between white-hat, black-hat, and grey-hat hackers emerged early on. While black-hat hackers break into systems to extract personal gain or harm their target, white-hat hackers use their skills for the benefit of the public or individual institutions and companies. In the 1990s, an American hacker group coined the term "grey-hat hacker" to set their activities apart from both camps.

Ethical Hacking: From Hobby to Market

As the internet spread into every sector of society, the need for effective security measures grew alongside it. Government institutions were among the first to enlist formerly convicted hackers to strengthen their security systems - and ethical hacking was born. Early ethical hackers quickly gained attention through high-profile exploits, such as the GSM hack in 2002. Today, an entire industry has emerged that specializes in auditing IT infrastructure.

What Does an Ethical Hacker Do?

An ethical hacker breaks into a system with the owner's explicit permission. Companies engage ethical hackers to uncover vulnerabilities in applications, servers, and databases. By gaining access before an attacker does, they protect the organization from potential damage.

How an Ethical Hacker Operates

The first step is to explore the target and gather as much information about the system as possible. What assets exist? What potential attack vectors are available? The ethical hacker then uses these findings to gain access to the target system. Their approach is no different from that of a malicious hacker - and that is precisely what makes them effective. Ethical hackers share the same knowledge of tools and techniques as black-hat hackers, allowing them to meet adversaries on equal footing. Once the intrusion succeeds, the hacker documents the results. The final report gives the company a systematic roadmap for addressing discovered vulnerabilities and strengthening its overall IT security.

How an Ethical Hacker Helps Businesses

Despite the bad reputation hackers carry, companies stand to benefit enormously from ethical hackers. When security vulnerabilities are discovered, organizations protect not only sensitive corporate data but also their customers' information. For instance, N26 Bank in Berlin offers a bug bounty program to uncover security flaws that standard penetration tests may miss. Regular engagement with ethical hackers also strengthens security awareness across the entire workforce. After all, a system is only truly protected when everyone with access rights handles their privileges responsibly.