There are many IT exams that are known to be challenging and require a significant amount of preparation and hard work to pass. Here is a list of the top 20 toughest IT exams in the world, along with some information about each one:

Certified Information Systems Security Professional (CISSP) - This exam covers a wide range of topics related to cybersecurity and is considered one of the most difficult IT exams to pass.

Certified Ethical Hacker (CEH) - This exam tests a candidate's knowledge and skills in ethical hacking and is considered to be very challenging.

Certified Information Security Manager (CISM) - This exam focuses on the management of an organization's information security program and is considered to be difficult due to the broad range of topics it covers.

Certified Information Systems Auditor (CISA) - This exam tests a candidate's knowledge of information systems auditing and control and is known to be challenging due to the amount of material covered.

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