A hacker is someone who is skilled in computer programming and has extensive knowledge of computer systems and networks. They use their knowledge and skills to find vulnerabilities in systems and networks and may use that information to gain unauthorized access. However, not all hackers are malicious, as some may use their skills to improve security or develop new software.
An intruder, on the other hand, is someone who gains unauthorized access to a system or network without permission. They may use a variety of techniques, such as exploiting vulnerabilities, stealing passwords, or social engineering, to gain access. Intruders are typically malicious and have the intention of causing harm or stealing data.
In short, a hacker is someone who has the knowledge and skills to find vulnerabilities, while an intruder is someone who exploits those vulnerabilities to gain unauthorized access.
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