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If you’ve heard of ransomware attacks in the news, you’ll know they can result in big losses for big businesses. But the fact is that organisations of any size can fall victim to an attack, and often the smaller your business is, the more severe the impact.
Ransomware can be carried out easily via phishing techniques, and hackers view it as a lucrative source of income. In this blog, we give you a quick start overview of ransomware, accompanied by some fun and fresh videos from one of our security experts on how it works, the potential risks to business and how to stop it in its tracks.
Ransomware is any type of malware that encrypts your systems, files, and data. When hackers attack using ransomware, they usually attack whole business infrastructure, rendering entire systems inaccessible to users.
Ransomware often gets into an organisation via corrupted files delivered through phishing emails but can get in through malware infected USBs or other hardware and spread through vulnerabilities in Remote Desktop Protocol or Virtual Private Networks.
Most ransomware attacks are opportunistic and unsophisticated in terms of the malware that is initially deployed, and the good news is that these low effort attacks can be prevented by carrying out basic security measures. Staff training is a great place to start if you want to stop ransomware from getting into your business in the first place, and annual penetration testing will ensure that you don’t leave any vulnerabilities unchecked.
Most ransomware works by encrypting files and locking users out of systems, but sometimes hackers may bluff an attack with scareware, which flags up warning signs that a system has been hacked and tries to sell fake security software to fix non-existent problems. Another way hackers deploy ransomware is by stealing confidential business files and information and threatening to leak them on the dark web, known as doxing. Doxware also encrypts files and can lead to double or triple extortion attacks where hackers demand multiple payments to keep stolen data from being leaked in the future.
Penetration testing helps you fix your flaws before a hacker exploits them for ransomware. Learn how a Bulletproof pen test helped Traced create a chain of trust & inspire customer confidence.
Ransomware often gains notoriety for proliferating throughout networks and infecting multiple businesses. Some notable attacks include WannaCry, an attack which infected thousands of computers worldwide in 2017, and more recently the MOVEit attack of 2023, which used an existing vulnerability in widely used software to launch a zero-day attack against over 600 businesses, including high profile companies Shell, British Airways, and the US Department of Energy.
While a company might be tempted to pay up out of sheer panic, most cyber security professionals advise against this as there is no guarantee that the hackers will hand over the decryption key. Paying the ransom also encourages more ransomware, as attackers will continue to do it if it proves to be a lucrative revenue stream.
What companies should do instead is fix the vulnerability that led to the ransomware and restore their systems from data backups!
Ayisha is a tech writer and marketer with a passion for all things cyber and an interest in researching the latest threats. She aims to help teams stay safe online by raising awareness and writing articles that are quick to digest for a busy audience.
Penetration testing can stop ransomware from getting into your business by helping you find and fix your security flaws. Get more info or get a fast pen test quote today.
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