The Cyber Instructor
Karan DwivediPractical cybersecurity insights by Karan Dwivedi
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 39 | Subscribers | Read | thecyberinstructor.substack.com |
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Latest Issues
Recent posts by this newsletter. Browse the email archive.
The Death of the Password
The password is a 1960s solution to a 2026 problem. It is a shared secret where a piece of data is known by both the user and the server. This fundamental design is the root of almost every modern breach.
Zero Trust is a Strategy, Not a Product
The term “Zero Trust” has become a victim of its own success. In the hyper-competitive world of cybersecurity marketing, it has been effectively mangled into a buzzword used to sell everything from firewall appliances to antivirus software....
The “Blameless Post-Mortem”
When a security incident occurs i.e., a data leak, a ransomware infection, or a misconfigured cloud bucket, the corporate lizard brain screams for a scapegoat. We want to find the person who clicked the link and fire them to prove we take s...
ROI is a Lie: Measuring the Value of “Nothing Happened”
In the world of corporate finance, Return on Investment (ROI) is the gold standard. You spend $100,000 on a new sales tool, and you expect to see a measurable lift in revenue. It is a linear, proactive calculation. But when CISOs are asked ...
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