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Questions tagged [printers]

The tag has no usage guidance.

40
votes
4answers
7k views

How to protect printers from being hacked

Recently it got to my attention that someone has hacked around 50,000 printers and used them to print the message they wanted to. (link) As someone who doesn't have a lot of knowledge about networks ...
3
votes
3answers
88 views

How do I secure my networked printers?

I've been reading a lot about how network printers can be a big security breach, but precious little about what to do about it. I have 2 Canon printers, a Pro-100 and a MG6821. Neither one requires ...
1
vote
0answers
95 views

Can someone hack printer/photocopiers or buy printers/photocopiers that doesn't obey EURion constellation security measure

I'm not into counterfeiting. There was a debate.., so I decided to go deeper with curiosity. EURion constellation is a pattern incorporated into banknotes. So photocopiers and printers if they obey ...
2
votes
1answer
31 views

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 ...
1
vote
1answer
493 views

Change settings to scan a printer with openvas

I have Openvas 5.1.1 (gui: Greenbone Security Assistant Version 7.0.2). It misidentifies my linux server as a printer. Scan result includes Solution If you want to scan the remote host, uncheck ...
0
votes
0answers
59 views

How should firewall be configured to allow using an image scanner over WiFi to avoid jeopardizing security?

I'm having a dilemma if I should post this here or on superuser, finally I decided it's more security related so I post it here, if it's wrong please move. The situation: There is an Epson all-in-one ...
-2
votes
1answer
279 views

Vulnerability in canon printers [closed]

Canon 5035 MFP, Canon 5240i MFP, and Canon 5250 MFP shows the below vulnerabilities. How can we fix this? Couldn't find any option in settings to disable TLS. SSL/TLS Server supports TLSv1.0 ...
11
votes
1answer
472 views

If I sell my printer, can the last printed pages be recovered? And how can I wipe it?

I have a Brother 5470-DW Printer. I want to sell it but wanted to make sure all the last prints can't be recovered. If I sold my printer could the last pages printed be recovered? How can I wipe all ...
0
votes
1answer
83 views

Is the new HP printer vulnerability only relevant for network printers?

There is a new vulnerability announced for HP M553 printers. On my reading, however, it appears that it only affects network printers. In other words if two people are connected to the same printer, ...
3
votes
1answer
118 views

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 ...
3
votes
0answers
296 views

How to securely print private key and protect against attacks on printer itself?

The question is in the title, but below are my thoughts on this. As we know there are various possible attacks on printer, so it is not very secure to print high security things like private keys for ...
-1
votes
1answer
43 views

Capturing printer data [closed]

Is there a way to capture what is printed by public printer? Or is it possible to control the printer (shutting it off or printing remotely)?
1
vote
0answers
471 views

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 ...
1
vote
1answer
86 views

How can I best protect myself on an encrypted network with untrustworthy users?

I will be starting university in September. As part of my accommodation I will be provided with fast WiFi which requires a password to connect to (WPA2 Enterprise). However, I don't trust the other ...
4
votes
1answer
665 views

Defeating identifying information that printers hide in printed documents

It's pretty widely known (well, I think it's widely known) that printer manufacturers, in cooperation with certain governments, embed various bits of information (serial numbers, dates, etc.) in ...
2
votes
1answer
294 views

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 ...
0
votes
1answer
82 views

Security errors with printer

I ran a security scan using the home version of Nessus by following a post on LifeHacker, and I was told that my printer had two security errors: OpenSSL 'ChangeCipherSpec' MiTM Vulnerability SNMP ...
1
vote
1answer
39 views

How can I know that the printer linked to email

How can I make sure that the printer does not send copies of the scanned paper to another email? because that my printer take long time in scanning and printing. can somebody hacking the printers or ...
1
vote
4answers
639 views

If I “print to PDF” a website that has a malware will the pdf be infected?

If I "print to PDF" a website page, but unknowing that has a malware or virus or some type will the pdf be infected?
8
votes
3answers
4k views

How can I encrypt my print jobs?

I often print confidential documents over a large intranet to various printers based on where I am in the building. However, since the building is so large, it is highly likely there is a malicious ...
6
votes
2answers
173 views

What issues exist in generating a signed, paper-based PGP message stored by a hostile organisation?

I have recently been the victim of having my medical record tampered with by the organisation holding it. Under state law I have a legal right to submit information to be included in my medical record,...
9
votes
1answer
168 views

Check whether a printer keeps a history of printed documents

Are there resources to determine whether a consumer grade printer has some internal memory that stores the contents of printed documents, and/or information how to securely delete any such memory?
4
votes
0answers
50 views

Where could the iOS security key be stored on the hard drive, *if printed* when enabling 2 Factor?

Apple allows people to print out their recovery key when enabling two factor. Taking the assumption that the local spooler may not do a great job of protecting, secure erasing, and eliminating traces ...
6
votes
1answer
1k views

Samba printer usernames and passwords , security problem

Password leaks , printing from Linux client to windows based print server When authenticating Linux users for using a windows share printer on their machine, the windows domain user-name and password ...
13
votes
1answer
507 views

New social engineering tactic that uses printer serial numbers?

We have been getting a new kind of scammer-esque call every couple weeks here at the office (I work at an enterprise web application development company). Basically, the flow of events is this: ...
6
votes
2answers
214 views

How to handle decomissioned/donated/RMAed printers?

Printers, nowadays, almost always include some form of non-volatile storage that keep tracks of pretty much everything that went through the device. In the case of larger, "departmental" system that ...
8
votes
1answer
1k views

Is it possible to emulate real network printer i.e. to run some actual firmware in VM?

I've got to the section related to network printers exploitation while going through one security course. Under "network printer" I understand standalone devices with a dedicated ethernet\wireless ...
4
votes
3answers
563 views

Segregating a Printer in my Enterprise Network

I have a EAP-TLS network at home which I've managed for some time now. I just got a new Brother HL-5470 printer so I can finally print things at home, which is really nice. The only problem is that ...
5
votes
1answer
2k views

Standard to represent digital signature on paper

Users are making a deal using the website. Website generated PDF file (something like contract or report). Users perform digital signing of this file (analogous to hand-written signature on paper ...
9
votes
1answer
3k views

Printer Steganography/Watermarking

I am referring to the yellow dots which are printed automatically by laser printers. They encode information such as the time the document is printed as well as the serial number. There appears to be ...
1
vote
2answers
2k views

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 ...
1
vote
1answer
520 views

Bluetooth Peripheral Vulnerabilities [duplicate]

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 ...
-5
votes
2answers
355 views

Is writing a document, not saving it, and printing it wirelessly 100% secure? [closed]

Say I want to write a top secret document (yeh, I'm a secret agent), and I use the method in the title...more specifically 1) Write a document on TextEdit on a Macbook Pro 2) Do not save it 3) ...
1
vote
2answers
1k views

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 ...