IT Security Stack Exchange
IT Security Stack Exchange

Questions tagged [printers]

56 questions
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What is the Print Nightmare threat vector?

I've researched this topic a few times and have not been able to come up with a definitive answer. It appears the threat may be multi-faceted. I ask in the context of a standard Server/Client Windows network where end-users have shared network…
Appleoddity
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What kind of printers do the most secure companies use?

If wifi-enabled printers are a bad idea, I'm wondering what kind of printers (brand even perhaps) that secure companies use, such as banks or financial institutions. I would assume these printers don't even have the capability of wifi, that is they…
Lance
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Printer Driver Threats

In an environment where users connect their devices to printers through USB, the device will be prompted to install its driver if it's the first time. As far as I'm aware for OSX, the drivers are downloaded from Apple and you can't download without…
Jack
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How to securely print private key and protect against attacks on printer itself?

As we know, there are various possible attacks on printers, so it is not very secure to print high-security things like private keys for bitcoin/gpg/etc. on a random printer. What I'm mostly concerned about is hacked firmware and side-channel…
Jan Święcki
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Security considerations when selling a printer

Ive got an M281fdw laser printer, which i have used for about a year, which I wish to sell. Are there any security issues to consider when selling a printer that has been used. My considerations so far have been : Would any previously printed /…
sam
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Is there a way to save a file from the network printer queue?

Recently I printed something using secure print with an ID card. When I checked my printer queue, I saw the total queue of all documents of colleagues who are using the same printer. First of all, I would like to know if this is standard or common…
RayofCommand
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How does printer steganography work on monochrome laser printers?

For purely cost reasons I've always used black and white laser printers. I'm particularly a fan of ML-2851ND for being cheap and easy to refill. It's my go to work horse. I'm wondering how people track these though. I've seen yellow dots on color…
Evan Carroll
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Picked up used HP Envy 5530 printer, concerned about potential security risk, am I paranoid?

I just picked up a used HP Envy 5530 multifunction printer for $3 at a junk shop. The printer appears to be working and I would like to give it to my parents who need a new printer. That said, I am concerned that the printer may pose a security risk…
bvz
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Identifying HP Printers with NMAP and then using results in Python/Perl

Great write up on network printer hacking at IronGeek's site here for anyone interested http://www.irongeek.com/i.php?page=security/networkprinterhacking. Here's what I want to do: Scan the subnet for HP printers with port 9100 open. I know I can…
chubby_monky
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Bluetooth Peripheral Vulnerabilities

I've read some interesting Bluetooth vulnerability questions, but I didn't notice one recently. Bluetooth has long been disabled in our organization, and I'm looking to enabling it because of repeated help desk calls regarding peripheral…
WGFinley
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Bridge Exploit of Network Multi-function Print/Fax Devices

I performed a recent security audit and was wondering if anyone has heard or run across any known exploits against any commercial multi-function print/scan device whereby you can bridge the incoming fax line and network? These were all commercial…
Tek Tengu
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Finding Officejet 8600's bulit-in RAM

Before I give away my dead HP Officejet 8600 Pro for recycling, I want to ensure that no memory remains on it. Even after extensive research, it's not easy to find conclusive information on whether a home printer retains memory or not (and if it…
Enwater
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Print sensitive info without leaving data on the printer

I'm not sure if there is already a question here about this because I can't find anything. But I'm wondering if there are any "safer" ways to print sensitive information without leaving traces on the printer (sensitive data in caches, internal…
reed
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Can my ISP see documents I print trough my wireless network printer that is connected to ISP-provided router?

As stated in title - I am wondering if connecting my printer to ISP-provided router could expose all of my printed data to his eyes? Cheers!
Dominic
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Rogue network printers as an attack vector in windows

I recently installed a new printer in our network. Just because I was interested, I switched to wireshark when scanning for and adding the printer on windows. I noticed that it was discoverd through mdns and then instructed windows to download some…
Tyrael
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