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IoT Unravelled Part 3: Security

Troy Hunt

In part 1 of this series, I posited that the IoT landscape is an absolute mess but Home Assistant (HA) does an admirable job of tying it all together. As with the rest of the IoT landscape, there's a lot of scope for improvement here and also just like the other IoT posts, it gets very complex for normal people very quickly.

IoT 358
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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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Threat Trends: DNS Security, Part 2

Cisco Security

This is what we covered in part one of this Threat Trends release on DNS Security, using data from Cisco Umbrella , our cloud-native security service. This time we’ll be comparing yearly totals of DNS traffic to malicious sites, by industry. As in part one, we’ll be looking at data covering the calendar year of 2020.

DNS 137
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Flaws in widely used dnsmasq software leave millions of Linux-based devices exposed

CSO Magazine

Security researchers have found several serious vulnerabilities in dnsmasq, a utility used in many Linux-based systems, especially routers and other IoT devices, to provide DNS services. Dnsmasq is a lightweight tool that provides DNS caching, DNS forwarding and DHCP (Dynamic Host Configuration Protocol) services.

DNS 104
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NAME:WRECK, a potential IoT trainwreck

Malwarebytes

A set of vulnerabilities has been found in the way a number of popular TCP/IP stacks handle DNS requests. Yes, the researchers found 9 DNS-related vulnerabilities that have the potential to allow attackers to take targeted devices offline or to gain control over them. Basically, you could say DNS is the phonebook of the internet.

IoT 69
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Massive increase in XorDDoS Linux malware in last six months

Malwarebytes

Since Linux is deployed on many IoT (Internet of Things) devices and cloud infrastructures, we are likely to see DDoS (distributed denial-of-system) attacks from botnets that have compromised such devices. Security IoT devices. If you have an IoT device at home, know there are ways to secure it.

Malware 134
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GUEST ESSAY: Here’s how Secure Access Service Edge — ‘SASE’ — can help, post Covid-19

The Last Watchdog

It incorporates zero-trust technologies and software-defined wide area networking (SD-WAN). It can also deploy web filtering, threat prevention, DNS security, sandboxing, data loss prevention, next-generation firewall policies, information security and credential theft prevention. . But it much further.

B2C 214