Collaborate Disseminate
Authentication alone will not stop a MITHM from intercepting and modifying plaintext exchanges, since he can let the authentication occur, then begin modifying the exchange data and neither end will sense anything wrong.
What am I missing … Continue reading In TLS, how are the Diffie-Hellman exchange parameters protected from a MITM attack? [duplicate]
In this scenario, the attacker is not trying to discover secret information or break the system. Instead, his objective is to create an exact replica of the card and sell it at a lower price.
This means that he does not have to know anythi… Continue reading How can a stolen computer card be protected from being re-manufactured and resold?
I have a Galaxy Tab device, but have already signed out from it and reset the tab to factory.
However, in my Google account, there is still a device of "Galaxy Tab", added 200+ days ago, in the "Security > Google prompts&… Continue reading In Google account, a suspicious Android Galaxy Tab device is persistent to revoking
I have read many posts related to the intermediate CA certificates and I do hope my question is not a duplication.
Where do TLS clients fetch intermediate CA certificates from?
In SSL server handshake, does server also send CA certificate
… Continue reading How do TLS clients validate intermediate CA certificates?
My webapp has an SMS 2FA option. When someone enrolls, it sends an SMS to the number specified by the user with hard coded text that contains a token that the user needs to then enter in the web app to confirm the enrollment. Pretty standa… Continue reading How spammers are abusing 2fa SMS in web apps?
I strongly dislike and mistrust the practice to store secrets in plain text files for unattended access by services.
This is increasingly less of an issue in modern deployments where secrets are provided by an external context (could secre… Continue reading Security and practicality of passing secrets to services running as non-privileged user
How to obfuscate ssh connection using obfsproxy (obfs4proxy) ?
What is the configuration on Linux for obfs4proxy and openssh-server (ex. /etc/ssh/sshd_config) ? (server-side)
What is the configuration on Windows/Linux for obfs4proxy and po… Continue reading How to mask ssh using obfsproxy? [migrated]
I have a Type S wireless backup camera (built into license plate frame) which uses WiFi to stream to an iOS (or Android) app on the driver’s smartphone. For a variety of reasons, this has proven to be a most unreliable scheme.
Type S also… Continue reading How change WiFi backup cam
I have been operating websites that use client certificates to authenticate the users.
To my understanding, you need to make your own CA.
First of all, that way an attacker will have huge troubles to even present a suitable certificate, me… Continue reading Certificate warnings on websites with client certificate authentication
We use CentOS 7 and have only samba-client in our deployment.
(We do not have samba server in our deployment.)
Does the CVE-2020-25717 affect our deployment?
Continue reading Clarification regarding CVE-2020-25717 [migrated]