Security Leftovers
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Five Minutes to a More Secure SSH
Here is a quick way to drastically improve the security of your OpenSSH server installations. Apart from past flaws in the OpenSSH daemon itself that have allowed remote compromise (very rare), most break-ins result from successful brute-force attacks. You can see them in your firewall, system or auth logs, they are an extremely common form of attack. Here is an excerpt from the /var/log/messages file on a CentOS Linux box (the attacking hostname has been obfuscated). You can see multiple attempts to login as users root and ftp. Also note the time between repeated attempts - one second or less, much too quick to be a human. This is an automated attack.
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The interesting things from RSA are what didn't happen, and containers are sandwiches
The RSA conference is done. It was a very long and busy show, there were plenty of interesting people there and lots of clever ideas and things to do.
I think the best part is what didn't happen though. We love talking about the exciting things from the show, I'm going to talk about the unexciting non events I was waiting to happen (but thankfully they did not).
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BitTorrent Client Transmission Infected With World’s First Mac Ransomware KeRanger — How To Protect Yourself
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First Mac-targeting ransomware hits Transmission users, researchers say
A security research firm announced Sunday its discovery of what is believed to be the world’s first ransomware that specifically goes after OS X machines.
"This is the first one in the wild that is definitely functional, encrypts your files and seeks a ransom,” Ryan Olson, of Palo Alto Networks, told Reuters.
In an interview Sunday afternoon, Olson told Ars that he expected more Mac ransomware to proliferate.
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This devastating type of malware has basically ignored Mac users. Until now.
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The horror! Mac users must beware of ransomware (like everyone else) video - CNET
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After Years of Success in Windows, Ransomware Makes Its Debut in Apple Computers
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First Mac ransomware had sights on encrypting backups, too
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Ransomware Strikes Mac OS X. It's Not the First Time, but It Is the Worst Yet.
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Mac Ransomware Caught Before Large Number Of Computers Infected
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Dilution and Misuse of the "Linux" Brand
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