What is password hashing iteration count tradeoff?
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Valuethe record
Simple meaning
Higher iterations slow attackers and logins.
WHY — Identity instead of guessing?
Why interviewers care about Identity:
Identity questions separate people
who only read docs from people who shipped.
Keep it short, concrete,
and tied to .NET MVC work.
Stay structured
Name the idea, why it exists, then one short example.
Close cleanly
End with when you use it and one common pitfall.
STEPS — What happens step by step?
Before you speak the answer, walk the interviewer through these steps:
- 1Higher iterations slow attackers
and logins.
- 2I follow Identity defaults
unless compliance demands more.
- 3Hardware upgrades allow increases
over time.
- 4Give an example
One tiny concrete case you can say aloud.
- 5Common mistake
What juniors usually get wrong.
- 6Close
When you pick this over the alternative.
EXAMPLE — See it in action
Here's a short line you can speak, broken into clear beats:
Say this line
“I follow Identity defaults unless compliance demands more.”
Break into beats
IfollowIdentitydefaultsunlesscompliance
Speaking order
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Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.
Key takeaway
Higher iterations slow attackers and logins. I follow Identity defaults unless compliance demands more.