Like Mirai, t he software scan s the public internet and trie s to log in to the IoT devic e with default and weak login and password combinations. After infection , the software overwrites all data and deletes the netwo rk configuration, which makes the IoT device unusable, unless someone can physically get a hand on the device. As s ee n in the Stuxnet attack , IoT devices in the same network as other machines can be impacted by the vulnerabilities of those other machines.
To avoid this, using a dedicated network infrastructure is recommended , i nstead of using shared LAN or Wi-Fi networks. Alternatively, using cellular communication that separates the communication of the different machines is also preferred. While t he devices allowed for remote access by their owners, the access was granted via unsecured public internet. One way to prevent attempts to steal remote access to IoT devices, as well as completely block attack s, is to use a cellular firewall. With a cellular firewall , devices are only permitted to communicate with a defined subset of IP addresses.
To find out more about what cellular IoT best practices to consider for your business, download our new whitepaper below. Dec, 11 IoT attacks, hacker motivations and recommended countermeasures. Share this post. Subscribe to our monthly newsletter:. Why are hackers focused on IoT? There are several explanations : Lack of security software on the devices : Opposed to regular computers, IoT devices do not have a firewall, or virus scanner.
Multiple devices with the same security mechanisms : Once an attack works with one device it will work with thousands. IoT devices are out of reach : device owners deploy their machines remotely. Once an attacker has control over a device , it c ould run all day long before being physically shut down by the owner. Who are the attackers and what are their motivations? Amateur hackers and script kiddies — usually their objective is fame among their peers , e ither by targeting a high-profile victim or by demonstrating an ability to infect many devices in a single attack.
Political interest groups — they attack organizations that they think are morally corrupt. Examples are groups like a nonymous.
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Criminal b usinesses — organizations that take advantage of vulnerabilities with in the target to gener ate revenue for themselves. Their objective is to g ain control over a large number of IoT devices and make money out of them, often in one of the following ways: S elling Distributed Denial of Service attacks — like webstresser. Other interests include SF books, mixology and amateur car racing.
A reverse engineer interested in cryptography and low-level hacking, who analyzes random things just to check how they work. E-mail: redford dragonsector. A self-taught systems engineer that dabbles in security, networking, hardware hacking, digital logic and anything that might involve electrons in some shape or form.
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Enjoys unusual liquors, obscure computer architectures and bad puns. E-mail: q3k q3k. Some sort of researcher who likes to play with bytes, currently pwning botnets for a living. As a leftover from school he poses some skills in program verification and other formal method associated with theory of programming language. Huge fan of beer, chaos and improvisation. E-mail: mak lokalhost. Security researcher and computer programmer who enjoys thinking out of the box and hacking all sort of things.
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Also interested in AI, RE and software optimizations. E-mail: vnd vndh. A software engineer currently based in London. Always on the lookout for new things to learn.
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Genetics lover. Mystery solver. Hitch-hiking passionate. In free time he's focused on protein folding and pathogenic viruses. Nuclear Physicist. Currently works as security guy in Bank Millennium. Almost understand how computers works.
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Roxah by day, haxor by night. Was growing up in a communist country, where oranges could be bought once a year for Christmas, half-rotten, after having been transported by a ship from another country in the block thanks Cuba!
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Plays soccer, smashes opponents in ping-pong. Works as an Information Security Engineer at Google. Yet another hacker enthusiastic about anything electronic that is weird, interesting or obscure at any level, from FPGAs to advanced functional type systems. His free time is spent making sure Warsaw Hackerspace survives yet another year.
A programmer interested in cryptography, reverse engineering, hardware, and reverse engineering hardware.