USB Device  - USB Device - USB Device – Primary Vector of Distribution of Threats

remains a threat for malware-based attacks targeting Industrial Control Systems. According to a published by Honeywell, USB device represents a major threat.

The report was based on the Secure Media Exchange that analyzes USB in the industrial facilities. The data collected are from Industries representing Oil & Gas, Energy, Chemical
Manufacturing, Pulp & Paper, and other industrial manufacturing facilities.

USB Device – Threat Vectors

According to SMX analysis report around 44% of detected and blocked represents a security issue. The data indicates high and consistent through USB targeting industrial facilities.

- USB Threat2 - USB Device – Primary Vector of Distribution of Threats

Of those threats blocked by SMX, 1 in 4 (26%) had the potential to cause a major disruption to an industrial control environment, including loss of view or loss of control, and 16% were targeted specifically against Industrial Control System (ICS) or Internet of Things (IoT) systems, reads the threat report.

Among the blocked threats 15% of them are high-profile and well-known threats that include Stuxnet (2%), Mirai (6%), TRITON (2%), and WannaCry (1%).

With the total number of malicious files detected, trojans representing 55% and 11% of the malicious files are bots.

- USB Threat1 - USB Device – Primary Vector of Distribution of Threats

Of the malware discovered, 9% was designed to directly exploit USB protocol or interface
weaknesses, making USB delivery even more effective especially on older or poorly configured computers that are more susceptible to USB exploits.

RATs are used in 32% of attacks that enables attackers to download and install additional malware and 15% attacks were classified targeting to exploit a specific system or .

The evidence of a relatively high percentage of threats that targeted ICS, that were capable of impacting ICS, and that exhibited persistence, validates current best practices of deploying strong network defenses and perimeters around critical areas.

Related Read

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Cyber Threat Landscape – Report on Attacks Targeted ICS Systems in the First Half of 2018

Proofpoint Q2 Threat Report – Ransomware Returns, Growth in Social Engineering and Email Fraud

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