Bitcoin is a worldwide cryptocurrency and digital payment system called the first decentralized digital currency. It was released as open-source software in 2009.The system is peer-to-peer, and transactions take place between users directly, without an intermediary.These transactions are verified by network nodes and recorded in a public distributed ledger called a blockchain. On 1 August →
https://techcrunch.com/2017/09/08/its-time-to-build-our-own-equifax-with-blackjack-and-crypto/?utm_source=tcfbpage&sr_share=facebook This article talks about security breach that will affect verty many people in the USA. It can cause need to rethink the current sloppy security practices on many companies – the identifying data many companies use has now leaked out. The private data of 143 million Equifax “customers” is now available for download. Have no doubt: →
https://blog.filippo.io/playing-with-kernel-tls-in-linux-4-13-and-go/ Linux 4.13 introduces support for nothing less than… TLS! The 1600 LoC patch allows userspace to pass the kernel the encryption keys for an established connection, making encryption happen transparently inside the kernel. The only ciphersuite supported is AES-128-GCM as per RFC 5288. The kernel only handles the record layer, that is, it only takes care →
I visited today IoT Security Workshop at Aalto University (at Espoo Finland). Here are some slides from seminar →
http://www.osa.org/en-us/about_osa/newsroom/news_releases/2017/high-dimensional_quantum_encryption_performed_in_r/ For the first time, researchers have sent a quantum-secured message containing more than one bit of information per photon through the air above a city. The demonstration showed that it could one day be practical to use high-capacity, free-space quantum communication to create a highly secure link between ground-based networks and satellites, a requirement →
http://www.techrepublic.com/article/how-to-prevent-root-login-on-your-linux-servers/ If you’re overly paranoid about security (which you should be), you might want to consider blocking root logins on your Linux servers. Here’s how to do it. →
http://bigthink.com/videos/brad-templeton-todays-surveillance-society-is-beyond-orwellian Here is an interesting video: Brad Templeton (former chair of EFF) argues that we’re all a part of a surveillance apparatus that would even be beyond the imagination George Orwell. The problem, he says, is the belief that privacy and security are mutually exclusive. →
https://opensource.com/article/17/1/rsync-backup-linux?sc_cid=7016000000127ECAAY All companies, regardless of how large or small, run on their data. There is not a business today ranging from the smallest sole proprietorship to the largest global corporation that could survive the loss of all or even a large fraction of its data. So backups are imperative to ensure the long-term safety of data. There →
https://www.cyberciti.biz/tips/linux-security.html Securing your Linux server is important to protect your data, intellectual property, and time, from the hands of crackers (hackers). The system administrator is responsible for security of the Linux box. This article will provide 40 hardening tips for default installation of Linux system. →
https://arstechnica.com/information-technology/2017/08/a-repair-shop-could-completely-hack-your-phone-and-you-wouldnt-know-it/ Booby-trapped touchscreens can log passwords, install malicious apps, and more. People with cracked touch screens or similar smartphone maladies have a new headache to consider: the possibility the replacement parts installed by repair shops contain secret hardware that completely hijacks the security of the device. The research, in a paper presented this week at the 2017 Usenix →