Can I use RSA to encrypt an AES256 key that I put at the beginning of my AES256 encrypted file?

I have a master server generating large files for other (known) servers to download.

Those files:

Are quite big. From 20MB to 5GB.
Are written once by the server and then it forgets about them.
Nobody should be able to r… Continue reading Can I use RSA to encrypt an AES256 key that I put at the beginning of my AES256 encrypted file?

Cisco Takes Another Stab at Patching Recent WebEx Vulnerability

Cisco Systems has released a new patch for a remotely exploitable privilege escalation vulnerability after security researchers found that its previous fix was incomplete. The company first patched the vulnerability, known as WebExec or CVE-2018-15442… Continue reading Cisco Takes Another Stab at Patching Recent WebEx Vulnerability

JavaScript library used for sneak attack on Copay Bitcoin wallet

A mystery payload sneaked into a hugely popular JavaScript library was part of a plot to ransack Bitcoins from BitPay’s Copay mobile cryptocoin wallet, it has been alleged. Continue reading JavaScript library used for sneak attack on Copay Bitcoin wallet

Rogue Developer Infects Widely Used NodeJS Module to Steal Bitcoins

A widely used third-party NodeJS module with nearly 2 million downloads a week was compromised after one of its open-source contributor gone rogue, who infected it with a malicious code that was programmed to steal funds stored in Bitcoin wallet apps.
Continue reading Rogue Developer Infects Widely Used NodeJS Module to Steal Bitcoins