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Information Security Update: HP Network Printer Vulnerabilities

Many models of HP networked printers include a flaw which allow an attacker to compromise a printer’s embedded network controller and install a persistent backdoor.

Abby Clobridge is the founder of FireOak Strategies. She works with organizations around the world to support knowledge sharing -- including open access, open data, information security -- to connect people to the data, information, and knowledge they need. You can reach Abby at [email protected]


Many models of HP networked printers include a flaw which allow an attacker to compromise a printer’s embedded network controller and install a persistent backdoor.  Once infected, such a device can be used to launch attacks inside of your network, including intercepting local LAN traffic, exfiltrating confidential data, or attacking other hosts. This is particularly worrisome, as networked printers are often installed in high-value network segments. The HP printer vulnerability was announced in April, but over the past few weeks, exploit code has been made publicly available, and such devices will be subject to an accelerated rate of attack and exploitation.

More details about the vulnerabilities associated with networked printers, along with tips for securing your environment, are available here:  Are Printers Ruining Your Security

FireOak Strategies is a boutique consulting firm that helps organizations manage, secure, and share their knowledge. We bring clarity to complexity, look for elegant and simple solutions, and make sure that organizations are focused on solving the right problems. Learn more…

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