How to Mention Handling a Ransomware Attack in an Employment Verification Letter

The author of the post is seeking advice on how to mention in an employment verification letter that they handled a ransomware attack without harming the reputation of their former employer. They explain that they worked as a consultant for a company that was a victim of such an attack and successfully restored the systems without paying a ransom, which earned them a promotion to the position of VP Cybersecurity. They wish for this experience to be subtly reflected in their letter.