Penetration Testing, Threat Hunting, and Cryptography
IBM · View on Coursera ↗
Taught by IBM Skills Network Team
Information TechnologyComputer Science
About the course
The cost of a security breach averages nearly $5M (IBM) and is increasing every year. So, businesses are always looking for professionals who can anticipate threats and prevent them. This IBM Penetration Testing, Threat Hunting, and Cryptography course builds expertise in identifying vulnerabilities, protecting assets, and using AI and cryptography techniques to strengthen an organization’s cybersecurity posture. During the course, you’ll explore the penetration testing phases and gain practica
The dissent
The most-upvoted critical review (28 votes, 1.0★).
“Penetration testing needs to have lab assignments, just a theoretical aspect of this makes no sense.”
Coursera's 4.6 comes from 2,547 ratings. Of those, 3.3% are 1–2★.
Starisk reads the reviews learners voted most helpful, and weights each by the square root of its votes: a review with 80 upvotes counts about five times one with 2. Unvoted reviews are not skipped out of laziness — by this model they carry no evidence that other students endorsed them.
That measures what the most-endorsed reviews say, not “true quality.” The rating distribution above is the whole population, so you can see the sample next to it.
Reviews read on 23 Oct 2026.Read them on Coursera ↗