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The smart connected devices of the modern era are way ahead from traditional internet as they do not rely on human intervention to function. Sensors attached to them collect, communicate, analyze, and act on information, offering new ways for technology, media and telecommunications businesses to create value. However, such efficiency at times creates new opportunities for all that information to be compromised. Not only is more data being shared through the connected network, among many more participants, but more sensitive data is being shared. As a result, the risks are exponentially greater, noted Deloitte. Among all the security risks that hang over the head of the connected network, botnet attacks is one quite dangerous and chilling nightmare for techies. To understand this, lets first understand what is botnet and botnet attacks. According toHow can one protect against Malicious Bots?
As it is a constantly evolving threat, according to experts, it requires constant vigilance and paying attention to the rapidly evolving bot landscape. Bruce Beam, CIO of the (ISC)² IT security professional non-profit group suggests to start with the basics. He says, “That means making sure you’re always up to date on patches because botnets explode when they hit unpatched networks. You also need to have a defense in depth, which starts with training your workforce about what to look for. And you should have rules-based access with firewalls inside your environment both east and west so that if bots get in, they can’t spread throughout your entire network.” To this Kenneth Wilder, aMost Dangerous Botnet Attacks of 21st Century
As noted by EarthLink Spammer (2000) – It is the first botnet to be recognized by the public in 2000. EarthLink Spammer was created to send phishing emails in large numbers, masked as communications from legitimate websites. Over 1.25 million malicious emails were sent to collect sensitive information, such as credit card details, in the span of a year. Grum (2008) – It is a massive pharmaceutical spammer bot that was identified in 2008. Grum appeared to be more complex and larger beyond the imagination of the experts. During Grum’s demise in July 2012, it was able to send 18 billion email spams per day. Law enforcement discovered 136,000 internet addresses that were sending spam for Grum. Kraken (2008) – It is twice as powerful as Storm. Damballa which is an internet security company was the first to report Kraken. Unlike, peer-to-peer techniques, Kraken uses command and control servers located in different parts of the world. The botnet infected 50 of 500 Fortune companies’ infrastructures. Damballa claimed that botnet infected machines were sending over 500,000 spam messages per day. Mariposa (2008) – Mariposa was originated in Spain in 2008 and it hijacked around 12.7 million computers around the world in 2 years duration. The word “Mariposa” stands for butterfly in French. The botnet got its name because it was created with a software called Butterfly Flooder, which was written by Skorjanc illegally. Mariposa infected computers in more than 190 countries via various methods, such as instant messages, file sharing, hard disc devices, and more. Methbot (2023) – It is the biggest ever digital ad malware that acquired thousands of IP addresses with US-based ISPs. The operators first created more than 6,000 domains and 250,267 distinct URLs that appeared to be from premium publishers, such as ESPN and Vogue. Mirai (2023) – It infects digital smart devices that run on ARC processors and turns them into a botnet, which is often used to launch DDoS attacks. If the default name and password of the device are not changed then, Mirai can log into the device and infect it. In 2023, the authors of Mirai software launched a DDoS attack on a website that belonged to the security service providing company. Soon after a week, they published the source code to hide the origins of the attack, which was then replicated by other cybercriminals who believed to attack the domain registration service provider, Dyn, in the same year.What Happened in 2023?
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