This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started). Mostly now the topics are about IoT and SD-WAN.
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WannaCry ransomware continues to lurk on infected computers over a year after it first appeared
The WannaCry ransomware made its first occurrence in May 2017, infecting hundreds of thousands of computers, across 150 countries. Like other traditional ransomware variants, WannaCry encrypts files on the system’s hard drive and demands huge sums of ransom in exchange for decrypting data. Experts recently discovered that even after 18 months, WannaCry continues to be a persistent threat and lurk on vulnerable computers across the globe. Earlier this year, security researchers from Kryptos Logic registered a domain that acted as a kill switch for the ransomware component of the infection.
Firewalls are becoming increasingly important in today’s world. Hackers and automated scripts are constantly trying to invade your system and use it for Bitcoin mining, botnets or other things. To prevent these attacks, you can use a firewall on your system. IPTables is the strongest firewall in Linux because it can filter packets in the kernel before they reach the application. Using IPTables is not very easy for Linux beginners. We have created easywall - the simple IPTables web interface . The focus of the software is on easy installation and use. Access this neat software over on github: easywall