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comment Could keystroke timing improve security on a password?
but these are all similar pros/cons for any biometric, correct?
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revised Transport Layer Encryption vs. Application Layer Encryption
added 1 character in body
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revised Could keystroke timing improve security on a password?
edited title
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reviewed Leave Open Could keystroke timing improve security on a password?
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reviewed No Action Needed Is there an added benefit to authentication within a part of an application, after authenticated into the main application?
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revised What is the problem with multiple encryption and how do you know if you have decrypted a cipher?
formatting
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answered Could keystroke timing improve security on a password?
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revised Could keystroke timing improve security on a password?
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comment Is there a list of currently active botnets?
Google has many rich hits for your title question.
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comment Somehow hackers have used my email box to sign up me here!
Did you write this on the weekend? security.stackexchange.com/q/121381/6253
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revised Somehow hackers have used my email box to sign up me here!
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comment Spoofing an NTP server to allow bruteforce on any smartphone
Also, I think the device gets its time from the cellular network, not NTP.
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revised Spoofing an NTP server to allow bruteforce on any smartphone
deleted 1 character in body; edited title
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reviewed No Action Needed Converting an intranet site to internet
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comment Looking for Defensive security training or content
I think the search term you are looking for is "Blue Team training". But, your question makes an error in logic: "defensive security" is not about looking for bugs and leaks, that's "offensive security".
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revised What should you do if you catch ransomware mid-operation?
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comment Is `/dev/urandom` secure to generate a salt on a Virtual Machine?
@DarioOO why are predictable salts to be avoided? And how is time predictable?
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comment Unknown MAC in network
What's the other IP this MAC is associated with? Is the laptop in question a work machine? One guess is that your laptop is infected with something that changes your MAC and IP assuming that it's part of a corporate network. It tries pings out on a semi-random schedule, trying to connect to it's control server.
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comment Unknown MAC in network
And eSight and Huawei don't make sense in your network? No VPNs into work, no other connected networks?
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comment Unknown MAC in network
The traffic pattern is one of a device pinging home. Could you post the MAC?