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bio website bishopfox.com
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visits member for 4 years, 4 months
seen 10 hours ago

Test everything, trust no one.

Do not trust any security related answers you see on StackOverflow.com (SO) / Security.StackExchange.com (SE). Not from me, not from anyone. There are very smart people on SO/SE and there are excellent answers given, although the right answer is not always chosen.

I have been writing exploit code for a while. There is no perfect system, vulnerable code will always exist.


17h
awarded  Famous Question
May
18
awarded  Good Answer
May
15
awarded  Popular Question
May
8
comment Are phone calls on a GSM network encrypted?
@Andreas Florath Yes, and the A5/1 stream cipher and its key scheduling is a total joke. GSM is one of the most obvious backdoors (well lit frontdoor?) that anyone can access for under $1,000.
May
1
comment Why refresh CSRF token per form request?
@Domi It depends how they got the token in the first place. If it with XSS, or over an insecure channel, the a rolling token wouldn't matter.
Apr
30
comment How can two clicks lead to better security in the context of, e.g., Twitter and Facebook share buttons?
@Bleeding Fingers The NSA is also troubled by this side-effect, which is why they want to backdoor everything, and even collect stats from webbugs.
Apr
30
comment How can two clicks lead to better security in the context of, e.g., Twitter and Facebook share buttons?
Was this question answered?
Apr
29
revised How can two clicks lead to better security in the context of, e.g., Twitter and Facebook share buttons?
added 122 characters in body
Apr
28
awarded  Revival
Apr
25
comment Can webcams be turned on without the indicator light?
@user6373 that is one way of accomplishing the same task, it depends on the device. But, at the end of the day, the lights on the device is controlled by the firmware.
Apr
22
reviewed Reject Security-themed Masters Thesis Topics
Apr
20
accepted Preventing artificial latency or “Lag Hacking” in multiplayer games
Apr
16
comment Why doesn't the same origin policy block get requests that contain arguments?
It depends on the XHR. But yes for the purposes of CSRF, you should assume that the client can send arbitrary requests, and that the response may be sent by the server, but not visible to the attacker.
Apr
14
awarded  Notable Question
Apr
12
revised (httpd log files) What kind of attack is? How can I prevent it?
deleted 1 character in body
Apr
12
answered (httpd log files) What kind of attack is? How can I prevent it?
Apr
7
awarded  Nice Answer
Apr
6
comment Why do some people really hate security via client-side?
@Pacerier I am a penetration tester, I study how software is built and how it fails.
Apr
5
comment Why do some people really hate security via client-side?
@Pacerier In my mind, hacker is just a title earned by a highly skilled engineer. No programmer wants to write insecure code, and in order to be a successful penetration tester you have to understand how the application works better than the engineers who wrote it. Studying compsci and understand the theories behind application design is just the first step.
Apr
3
awarded  Enlightened