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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. For example, those in the financial services industry may see more activity around information stealers; others in manufacturing may be more likely to encounter ransomware.

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Multiple flaws in Teltonika industrial cellular router expose OT networks to hack

Security Affairs

Teltonika Networks is a leading manufacturer of networking solutions, widely adopted in industrial environments, including gateways, LTE routers, and modems. The study focuses on the RUT241 and RUT955 cellular routers manufactured by Teltonika, and on the Remote Management System (RMS) provided by the vendor.

Hacking 96
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French Firms Rocked by Kasbah Hacker?

Krebs on Security

Other victims included one of France’s largest hospital systems; a French automobile manufacturer; a major French bank; companies that work with or manage networks for French postal and transportation systems; a domestic firm that operates a number of airports in France; a state-owned railway company; and multiple nuclear research facilities.

DNS 253
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Cable Haunt flaw exposes 200M+ Broadcom-based cable modems at remote hijacking

Security Affairs

The reason for this is that the vulnerability originated in reference software, which has seemingly been copied by different cable modems manufacturers when creating their cable modem firmware. A ‘DNS Rebinding’ attack allows any website to create a DNS name that they are authorized to communicate with, and then make it resolve to localhost.

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Overview of IoT threats in 2023

SecureList

As if that were not enough, many IoT devices have unalterable main passwords set by manufacturers. Although the manufacturer issued an update that resolved the vulnerability, similar attacks remain a concern. DNS changer Malicious actors may use IoT devices to target users who connect to them. BTC to recover the data.

IoT 86
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Demo: Your data has been encrypted! Stopping ransomware attacks with Malwarebytes EDR

Malwarebytes

Let’s start a ping to Google’s DNS server. Things like disabling Windows Firewall, turning off the control panel, turning off the desktop activity; lots of things that would be concerning to a security expert. The reason that we’re going to do this is to help demonstrate some of the functionality that Malwarebytes has later.

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IoT Unravelled Part 3: Security

Troy Hunt

There's no consistency across manufacturers or devices either in terms of defaulting to auto-updates or even where to find updates. But rightly or wrongly, the risk you take when using devices in a fashion they weren't designed for is that the manufacturer may break that functionality at some time. So, what's the right approach?

IoT 358