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Overview of IoT threats in 2023

SecureList

IoT devices (routers, cameras, NAS boxes, and smart home components) multiply every year. The first-ever large-scale malware attacks on IoT devices were recorded back in 2008, and their number has only been growing ever since. Telnet, the overwhelmingly popular unencrypted IoT text protocol, is the main target of brute-forcing.

IoT 86
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New Mirai botnet targets tens of flaws in popular IoT devices

Security Affairs

Since March 2023, researchers at Palo Alto Networks Unit 42 have observed a new variant of the Mirai botnet targeting multiple vulnerabilities in popular IoT devices. Upon executing the script, it would download and execute the proper bot clients for the specific Linux architectures: hxxp://185.225.74[.]251/armv4l

IoT 86
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Chalubo, a new IoT botnet emerges in the threat landscape

Security Affairs

Security experts from Sophos Labs have spotted a new piece of IoT malware tracked as Chalubo that is attempting to recruit devices into a botnet used to launch DDoS attacks. “The attackers encrypt both the main bot component and its corresponding Lua script using the ChaCha stream cipher.”

IoT 80
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Cybersecurity Research Topics for Beginners: Exploring the Fundamentals

CyberSecurity Insiders

Network Security: Study network protocols, such as TCP/IP, and analyze common network attacks like DDoS, phishing, and man-in-the-middle attacks. Cryptography: Dive into the world of cryptography, studying symmetric and asymmetric encryption, digital signatures, and cryptographic algorithms.

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Torii botnet, probably the most sophisticated IoT botnet of ever

Security Affairs

Avast spotted a new IoT botnet, tracked as Torii, that appears much more sophisticated and stealth of the numerous Mirai variants previously analyzed. Security researchers spotted a new IoT botnet, tracked as Torii, that appears much more sophisticated and stealth of the numerous Mirai variants previously analyzed.

IoT 85
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GUEST ESSAY: Securely managing access controls is vital to preserving the privacy of healthcare data

The Last Watchdog

There’s no doubt, the increasing use of telemedicine, the explosion of health-based cloud apps, and innovative medical IoT devices are improving the patient care experience. Access controls are the nexus of security and the expanding perimeter, and zero trust is the architecture that encompasses it.

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New Linux botnet RapperBot brute-forces SSH servers

Security Affairs

Researchers from FortiGuard Labs have discovered a new IoT botnet tracked as RapperBot which is active since mid-June 2022. RapperBot has limited DDoS capabilities, it was designed to target ARM, MIPS, SPARC, and x86 architectures. The bulk of the malware code contains an implementation of an SSH 2.0 ” .

IoT 136