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During the first week of January 2018, the world has been plunged into hot and anxious discussions concerning two newly discovered vulnerabilities in nearly all major ARM-based CPUs including smartphones, tablets, and some computers. The vulnerability itself even extends to the IBM’s POWER processors which run nearly all supercomputers! Starting …

Tried to login to one of my server that requires Java and immediately got this error: Unsigned application requesting unrestricted access to system. The following resource is signed with a weak signature algorithm MD5withRSA and is treated as unsigned After some research on Google I found that the root cause …

Let’s admit it: Privacy and Security are the two elements that matter most on our cyber cruising. Anyone including the government that sleuths on our online activities and data is not so welcome. The good news is that now even your email communication can happen in disguise through Tor network …

Penetration testing (also called pen testing) is the practice of testing a computer system, network or Web application to find vulnerabilities that an attacker could exploit. Kali Linux Cheat Sheet for Penetration testers is a high level overview for typical penetration testing environment ranging from nmap, sqlmap, ipv4, enumeration, fingerprinting …

A DNS-based Blackhole List (DNSBL) or Real-time Blackhole List (RBL) is an effort to stop email spamming. It is a “blacklist” of locations on the Internet reputed to send email spam. The locations consist of IP addresses which are most often used to publish the addresses of computers or networks …