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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 363
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DNS hijacking campaigns target Gmail, Netflix, and PayPal users

Security Affairs

Security experts at Bad Packets uncovered a DNS hijacking campaign that is targeting the users of popular online services, including Gmail, Netflix, and PayPal. Hackers compromised consumer routers and modified the DNS settings to redirect users to fake websites designed to trick victims into providing their login credentials.

DNS 112
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Inside Mirai the infamous IoT Botnet: A Retrospective Analysis

Elie

What’s remarkable about these record-breaking attacks is they were carried out via small, innocuous Internet-of-Things (IoT) devices like home routers, air-quality monitors, and personal surveillance cameras. At its peak, Mirai enslaved over 600,000 vulnerable IoT devices, according to our measurements. self-propagating worm.

IoT 107
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GhostDNS malware already infected over 100K+ devices and targets 70+ different types of home routers

Security Affairs

Attackers have already hijacked over 100,000 home routers, the malicious code allows to modify DNS settings to hijack the traffic and redirect users to phishing websites. GhostDNS reminds us of the infamous DNSChanger malware that made the headlines for its ability to change DNS settings on the infected device. Pierluigi Paganini.

DNS 107
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TrickBot operators employ Linux variants in attacks after recent takedown

Security Affairs

Microsoft announced to have taken down 62 of the original 69 TrickBot C&C servers, seven servers that could not be brought down last week were Internet of Things (IoT) devices. TrickBot is a popular banking Trojan that has been around since October 2016, its authors have continuously upgraded it by implementing new features.

DNS 110
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FBI, CISA alert warns of imminent ransomware attacks on healthcare sector

Security Affairs

TrickBot is a popular banking Trojan that has been around since October 2016, its authors have continuously upgraded it by implementing new features. In early 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the anchor_dns tool for abusing the DNS protocol for C2 communications.

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For nearly a year, Brazilian users have been targeted with router attacks

Security Affairs

The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. Crooks targeted users of many major organizations, including Netflix and large banks like Santander, Bradesco, and Banco do Brasil.

DNS 106