Keeping safe
Category: Security
My SIM swap attack: How I almost lost $71K, and how to prevent it
On June 25th, I became a victim of SIM swapping, targeted along with dozens of other leaders in the blockchain community. This type of account takeover (ATO) fraud, also referred to as Port-Out scam, SIM …
What Is Cyberwar? The Complete WIRED Guide
Not so long ago, stories about cyberwar started with scary hypotheticals: What if state-sponsored hackers were to launch widespread attacks that blacked out entire cities? Crippled banks and froze ATMs across a country? Shut down …
NGINX Updates Mitigate the August 2019 HTTP/2 Vulnerabilities
Today we are releasing updates to NGINX Open Source and NGINX Plus in response to the recent discovery of vulnerabilities in many implementations of HTTP/2. We strongly recommend upgrading all systems that have HTTP/2 enabled. In …
Cryptography For Software Engineers
You pay by credit card in an unknown shop. How do you make sure your card is not copied? you type your password into google.com and press send how do you know no one else …
A Decentralised Blockchain-Based VPN Network Could Be The Future of Private Communication
Broadly speaking, there are three parties fighting the guerilla war on privacy and internet anonymity. Government agencies, cybercriminals and we average internet users who mostly give Facebook all of our information and then complain, on …
How Crypto Thieves Affect the Financial Security Crypto Should Avail
Crypto assets have slowly assumed the reputation of being the next poster boy for the financial industry. However, throughout its long and tedious ascent to global reckoning, cryptocurrency still continues to beg the question of …
How to Install and Use Tor Network in Your Web Browser
Privacy Online is becoming a big deal and concerned Internet users are continuously looking for effective methods or tools for surfing the web anonymously for one reason or the other. By surfing anonymously, no can …
Ask NGINX | April 2019
Every month, we take a moment to share the expertise of our team, and answer a number of great questions we’ve received from both our customers and open source users. These questions range from how …
Protecting SSL Private Keys in NGINX with HashiCorp Vault
In the first post in this series, we describe several approaches to improving the security of your SSL private keys. The post finished with a demonstration of a remote password distribution point (PDP) used to …
How to Install Memcached (Caching Server) on CentOS 7
Memcached is an open source distributed memory object caching program that allows us to improve and speed up the performance of dynamic web applications by caching data and objects in Memory. Memcached is also used …
Privacy: What You Need To Know
Here is how it works. Researcher and social psychologist, Dr. Cazzell (Stanford, Queensland, BYU, Yale), excellently described this in her Behavioral Economics article with the Game of Clue. Here is how it works: When you …
How to Setup Two Factor Authentication for SSH on Fedora
Every day there seem to be lots of security breaches reported where our data is at danger. Despite the fact that SSH is a secure way to establish a connection remotely to a Linux system, …
Catching up with ClassicPress
In our previous article published late last year, “ClassicPress Beta is now available – should we adopt it?“, we took a look at the new WordPress fork called ClassicPress, which essentially provides a normal WordPress …
How to Generate a CSR (Certificate Signing Request) in Linux
SSL Certificates fall into two broad categories: 1) Self-Signed Certificate which is an identity certificate that is signed by the same entity whose identity it certifies-on signed with its own private key, and 2) Certificates …
How Blockchain Could End Identity Theft on Dark Web
We feel that our personal data is very important and priceless. However, the reality is very different. Stolen credit card information, addresses, phone numbers, social security numbers are sold on the dark web for as …
Understanding UFW
I have always been scared of IP tables. If you want to know the reason check out the man page for the same. Though I have heard from many people that IPtables are more robust …
How to Check Integrity With AIDE in Fedora
AIDE (Advanced Intrusion Detection Environment) is a program for checking the integrity of a file and directory on any modern Unix-like system. It creates a database of files on the system, and then uses that …
Best Password Manager: LastPass vs Dashlane vs Bitwarden vs 1Password
Looking for the best password manager to keep your login credentials safe? If you’re reading this post, you probably don’t need me to tell you that it’s a scary world out there when it comes …
How Did Russian Hackers Phish America’s Power Grid?
The kill chain, the phishing attack and the broken trust graph The Wall Street Journal published an explosive story about how state-sponsored Russian hackers used a variety of techniques and a spider web of compromised accounts …
5 of the Best Online Cloud Backup Services to Keep Your Data Safe in 2019
Looking for a safe place to back up and store all your digital data? This post will help you get started. Here, we’ll look closely at five of the best online cloud backup services to …