~/talk

Defending Security is Probabilistic, Not Deterministic: Get Over It

Talkat RSAC 2022 · 2022-06-06..06-09· [security]
links:none on file
links:none on file
slides:none on file

Explains why security cannot be judged with binary yes/no answers and reframes assessment as changes in a system’s Trust Factor over time. Uses probabilistic reasoning rather than deterministic assertions to evaluate security posture, without presenting commercial products.

AI-written summary · about

  1. 0:00Start
  2. 4:29Relational: Trust is the Inverse of Risk The Limits of Trust
  3. 4:44Quantum Computing is Probabilistic
  4. 9:12The Basis of Time-Based Security
  5. 15:12A Short Anatomy of Bayes Theorem
  6. 19:52Is Your Detection Vendor Telling You the Truth? How do They Come up With Numbers? • Vendor says: P(D)-99% accuracy
  7. 34:32Bayes and the Time-Based Flip-Flop
  8. 36:40Adjusting Probability with Time
  9. 45:20You Don't Need The Maths Yourself
~/search
type to search 6,249 conferences, 138,987 speakers and 185,172 talks
~/help
cmdctrl k
search every conference, speaker and series
/
focus the filter search
h
home
c
conferences
s
speakers
e
series
t
light / dark — the status bar button does the same
?
this help
esc
close this, then clear every filter — or just the search, while you are typing in it

Ignored while you are typing. Pages without a filter rail have no search to focus.