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Security concern: IoT devices under constant attack

Jessica Foreman by Jessica Foreman
March 6, 2019
in Internet of Things
19 2
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Cyxtera Technologies, a secure infrastructure company, has released findings from its joint research effort with Singapore University of Technology and Design, showing that IoT devices are under constant attack – with more than 150 million connection attempts over 15 months.

The report titled the ‘Detection of Threats to IoT Devices using Scalable VPN-forwarded Honeypots,’ reveals the detection of new attacks on IoT devices, with a focus on those leveraging zero-day vulnerabilities for specific devices.

Key report findings include

  • Researchers detected more than 150 million connection attempts to 4,642 distinct IP addresses.
  • 64% of incoming connections appeared to originate in China, with another 14% from the United States. This was followed by the United Kingdom (9%), Israel (8%) and Slovakia (6%). Researchers noted that it was difficult to definitively confirm the origination of internet traffic, however, as it is possible to re-route traffic to other locations, frequently employed as an obfuscation technique.
  • All IoT devices saw attempted logins immediately upon coming online and the number of login attempts increased steadily over time.
  • Within days of new malware campaigns going public – such as Mirai, Satori, and Hakai – those malware families were being used to attack IoT devices from the honeypot. In many cases, the increase in activity was identifiable in the days and weeks before the malware was publicly named.
  • 54% of connections received by the honeypot were via Telnet port, while HTTP ports received almost all of the remaining connections.
  • IP cameras received the majority of connections in the honeypot, suggesting greater attacker interest in those IoT devices as compared to others such as printers and smart switches. Several recent, large-scale attacks on IoT devices have targeted IP cameras.

“IoT devices are an attractive target for attackers, because they are often a security after-thought and its harder to keep them patched and up-to-date — if patches are even available at all,” says Alejandro Correa Bahnsen, Vice President of Data Science at Cyxtera. “The researchers involved in this project accurately detected several large-scale attacks targeting IoT devices and demonstrated the frequency and speed with which these devices are targeted. This approach can be replicated by other threat researchers to broaden our collective knowledge about these vulnerabilities.”  

New AppGate IoT Connector extends power of software-defined perimeter

In tandem with the release of its research, Cyxtera also announced new functionality in its flagship Zero Trust solution, AppGate SDP, which promises to extend the benefits of network micro-segmentation and software-defined perimeter to connected IoT devices. The company says its AppGate SDP IoT Connector enables enterprises to enforce consistent access control policies across users, servers, and devices to protect today’s complex and distributed resources.  

IoT devices are increasingly present in enterprise networks and are expected to grow even more with the advent of 5G networks. According to analyst firm IDC, worldwide technology spending on IoT is projected to reach $1.2 trillion in 2022. With the anticipated rise in IoT adoption, security issues must be addressed head-on to fully leverage the power of smart devices in a way that is safe and managed effectively.

“The rapid adoption of IoT devices is outpacing the ability to secure them properly,” says Ricardo Villadiego, General Manager, Security & Anti-Fraud at Cyxtera. “These devices are connected to the same network as users, servers, and sensitive data, which creates risks for the network. AppGate SDP’s IoT Connector secures unmanaged devices, restricting lateral movement and reducing an organisation’s attack surfaces.” 

Tags: Cyxtera TechnologiesIoTSecurity
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