Blog Articles

Read Zetier’s blog posts to catch up on what our
engineers, management, and staff members are thinking about.

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Auditing binaries like source code

A case study in identifying real-world stack overflows in Netgear router firmware – without access to source code.

  • October 13, 2025 by Garrett Pence, Senior Cyber Engineer
  • Share
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Linux SBCs for development + RE

Are low-cost SBCs with 4k output viable for native development, RE, and tinkering?

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Saleae Analyzer for the BDM protocol

See what your BDM debugger is actually doing under the hood with our new open-source tool.

  • August 20, 2025 by Matt Smith, Cyber Engineer
  • Share
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Hacking with Frida (Part II)

You just fired up an old Linux-based appliance. Here's one hacking recipe to get beyond basic local access.

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Did 5G kill the IMSI catcher?

Understand the mechanics, risks, and future of IMSI catching (a.k.a. stealing your cellular ID) in 2025.

  • April 10, 2025 by Mark Santorello, Senior Cyber Engineer
  • Share
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Speedrunners = vulnerability researchers

Thousands of video game enthusiasts are developing experience in the cybersecurity industry by accident.

  • February 26, 2025
  • Share
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The mystery of $0 HP printers

One of our engineers obtained free printers on Craigslist, which revealed some intriguing obfuscation.

  • February 19, 2025
  • Share
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Making the podium at DEFCON 2024

After competing for several years, a Zetier Cyber Engineer made the podium at the DEFCON 32 HHV CTF.

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Our 2024 open-source contributions

Check out the contributions our team made – and tools we open-sourced – in 2024.

  • December 19, 2024 by the Zetier team
  • Share
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Is it hard to port Frida on OpenWrt?

Frida runs out-of-the-box on many common targets. How hard is it to port Frida to an unsupported platform?

  • November 26, 2024
  • Share
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Android testing with Bungeegum

When code is executed with Bungeegum, it operates within the application's context and memory space, mirroring how Android CNO tools are typically used in real-world scenarios.

  • August 24, 2024 by the Zetier team
  • Share
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Being a reservist at Zetier

Thousands of military members juggle their reserve commitment and civilian life. Read this post to learn how Zetier makes sure you won’t drop the ball.

news-pic1

A small box contains a big surprise

A recently acquired piece of military technology holds secrets about worldwide manufacturing capabilities.

news-pic1

Something fishy happens when compiling Tshark with Lua

Building tshark from source with support for Lua has proven to be a challenge. This tutorial will save you some time and frustration.

  • June 12, 2024 by Mark Santorello, Senior Engineer
  • Share
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flaShMASH your dumps

Hardware memory busses are sometimes tied together with multiple ICs. Here is how to SMASH them!

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Oops, there goes the OPSEC

Breadcrumbs are left throughout computer systems that hackers can use to track attribution or recover sensitive information. See possible gotchas in this post.

  • May 22, 2024 by the Zetier team
  • Share
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Using JTAG to dump parallel NOR flash

Explore the art of using JTAG for efficient NOR flash memory dumps – via our practical guide for hardware enthusiasts & engineers.

news-pic1

Meet Snipey: Snipe-IT asset management

Zetier is introducing Snipey, a command-line interface (CLI) tool that extends the capabilities of Snipe-IT.

  • March 4, 2024 by the Zetier team
  • Share
news-pic1

February 2024 watercooler topics

Various topics of interest covering IT, cybersecurity, tech innovations, from GitLab workflows to satellite tech advancements.

  • March 4, 2024 by the Zetier team
  • Share
news-pic1

Android testing with Lariat

Lariat works with Device Farmer to address the challenges of platform fragmentation in Android device testing.

  • February 19, 2024 by the Zetier team
  • Share
news-pic1

December 2023 watercooler topics

Highlights from around the internet that we discussed in the office during Dec 2023. Everything from the best deals on collectable turbo-jet engines to Bluetooth CVEs.

  • February 5, 2024 by the Zetier team
  • Share
news-pic1

Power up your power supplies

Smart load integration with inexpensive power supplies providing protections typically found only in pricier models.

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Sharing our knowledge

Sharing knowledge is in Zetier’s corporate DNA, and this expresses itself in multiple ways.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
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2023 corporate offsite

At Zetier’s 2023 annual offsite we met in San Juan Puerto Rico for some corporate business, relationship building, good food, and fun in the sun.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
news-pic1

Poor man’s 3D tomography

DIY dental X-ray tech for PCB reverse engineering, enabling faster, budget-friendly 3D tomography.

news-pic1

CodeQL for security research

CodeQL is a query language for code analysis, allowing powerful code introspection and data flow queries.

news-pic1

Auditing binaries like source code

A case study in identifying real-world stack overflows in Netgear router firmware – without access to source code.

  • October 13, 2025 by Garrett Pence, Senior Cyber Engineer
  • Share
news-pic1

Linux SBCs for development + RE

Are low-cost SBCs with 4k output viable for native development, RE, and tinkering?

news-pic1

Did 5G kill the IMSI catcher?

Understand the mechanics, risks, and future of IMSI catching (a.k.a. stealing your cellular ID) in 2025.

  • April 10, 2025 by Mark Santorello, Senior Cyber Engineer
  • Share
news-pic1

Is it hard to port Frida on OpenWrt?

Frida runs out-of-the-box on many common targets. How hard is it to port Frida to an unsupported platform?

  • November 26, 2024
  • Share
news-pic1

Android testing with Bungeegum

When code is executed with Bungeegum, it operates within the application's context and memory space, mirroring how Android CNO tools are typically used in real-world scenarios.

  • August 24, 2024 by the Zetier team
  • Share
news-pic1

Oops, there goes the OPSEC

Breadcrumbs are left throughout computer systems that hackers can use to track attribution or recover sensitive information. See possible gotchas in this post.

  • May 22, 2024 by the Zetier team
  • Share
news-pic1

Android testing with Lariat

Lariat works with Device Farmer to address the challenges of platform fragmentation in Android device testing.

  • February 19, 2024 by the Zetier team
  • Share
news-pic1

CodeQL for security research

CodeQL is a query language for code analysis, allowing powerful code introspection and data flow queries.

news-pic1

Sharing our knowledge

Sharing knowledge is in Zetier’s corporate DNA, and this expresses itself in multiple ways.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
news-pic1

Auditing binaries like source code

A case study in identifying real-world stack overflows in Netgear router firmware – without access to source code.

  • October 13, 2025 by Garrett Pence, Senior Cyber Engineer
  • Share
news-pic1

Linux SBCs for development + RE

Are low-cost SBCs with 4k output viable for native development, RE, and tinkering?

news-pic1

Saleae Analyzer for the BDM protocol

See what your BDM debugger is actually doing under the hood with our new open-source tool.

  • August 20, 2025 by Matt Smith, Cyber Engineer
  • Share
news-pic1

The mystery of $0 HP printers

One of our engineers obtained free printers on Craigslist, which revealed some intriguing obfuscation.

  • February 19, 2025
  • Share
news-pic1

Making the podium at DEFCON 2024

After competing for several years, a Zetier Cyber Engineer made the podium at the DEFCON 32 HHV CTF.

news-pic1

A small box contains a big surprise

A recently acquired piece of military technology holds secrets about worldwide manufacturing capabilities.

news-pic1

flaShMASH your dumps

Hardware memory busses are sometimes tied together with multiple ICs. Here is how to SMASH them!

news-pic1

Using JTAG to dump parallel NOR flash

Explore the art of using JTAG for efficient NOR flash memory dumps – via our practical guide for hardware enthusiasts & engineers.

news-pic1

Meet Snipey: Snipe-IT asset management

Zetier is introducing Snipey, a command-line interface (CLI) tool that extends the capabilities of Snipe-IT.

  • March 4, 2024 by the Zetier team
  • Share
news-pic1

Power up your power supplies

Smart load integration with inexpensive power supplies providing protections typically found only in pricier models.

news-pic1

Poor man’s 3D tomography

DIY dental X-ray tech for PCB reverse engineering, enabling faster, budget-friendly 3D tomography.

news-pic1

Auditing binaries like source code

A case study in identifying real-world stack overflows in Netgear router firmware – without access to source code.

  • October 13, 2025 by Garrett Pence, Senior Cyber Engineer
  • Share
news-pic1

Linux SBCs for development + RE

Are low-cost SBCs with 4k output viable for native development, RE, and tinkering?

news-pic1

Saleae Analyzer for the BDM protocol

See what your BDM debugger is actually doing under the hood with our new open-source tool.

  • August 20, 2025 by Matt Smith, Cyber Engineer
  • Share
news-pic1

Hacking with Frida (Part II)

You just fired up an old Linux-based appliance. Here's one hacking recipe to get beyond basic local access.

news-pic1

Did 5G kill the IMSI catcher?

Understand the mechanics, risks, and future of IMSI catching (a.k.a. stealing your cellular ID) in 2025.

  • April 10, 2025 by Mark Santorello, Senior Cyber Engineer
  • Share
news-pic1

Speedrunners = vulnerability researchers

Thousands of video game enthusiasts are developing experience in the cybersecurity industry by accident.

  • February 26, 2025
  • Share
news-pic1

Is it hard to port Frida on OpenWrt?

Frida runs out-of-the-box on many common targets. How hard is it to port Frida to an unsupported platform?

  • November 26, 2024
  • Share
news-pic1

Something fishy happens when compiling Tshark with Lua

Building tshark from source with support for Lua has proven to be a challenge. This tutorial will save you some time and frustration.

  • June 12, 2024 by Mark Santorello, Senior Engineer
  • Share
news-pic1

flaShMASH your dumps

Hardware memory busses are sometimes tied together with multiple ICs. Here is how to SMASH them!

news-pic1

Sharing our knowledge

Sharing knowledge is in Zetier’s corporate DNA, and this expresses itself in multiple ways.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
news-pic1

Did 5G kill the IMSI catcher?

Understand the mechanics, risks, and future of IMSI catching (a.k.a. stealing your cellular ID) in 2025.

  • April 10, 2025 by Mark Santorello, Senior Cyber Engineer
  • Share
news-pic1

Our 2024 open-source contributions

Check out the contributions our team made – and tools we open-sourced – in 2024.

  • December 19, 2024 by the Zetier team
  • Share
news-pic1

Android testing with Bungeegum

When code is executed with Bungeegum, it operates within the application's context and memory space, mirroring how Android CNO tools are typically used in real-world scenarios.

  • August 24, 2024 by the Zetier team
  • Share
news-pic1

flaShMASH your dumps

Hardware memory busses are sometimes tied together with multiple ICs. Here is how to SMASH them!

news-pic1

Meet Snipey: Snipe-IT asset management

Zetier is introducing Snipey, a command-line interface (CLI) tool that extends the capabilities of Snipe-IT.

  • March 4, 2024 by the Zetier team
  • Share
news-pic1

Android testing with Lariat

Lariat works with Device Farmer to address the challenges of platform fragmentation in Android device testing.

  • February 19, 2024 by the Zetier team
  • Share
news-pic1

Auditing binaries like source code

A case study in identifying real-world stack overflows in Netgear router firmware – without access to source code.

  • October 13, 2025 by Garrett Pence, Senior Cyber Engineer
  • Share
news-pic1

Linux SBCs for development + RE

Are low-cost SBCs with 4k output viable for native development, RE, and tinkering?

news-pic1

Hacking with Frida (Part II)

You just fired up an old Linux-based appliance. Here's one hacking recipe to get beyond basic local access.

news-pic1

Speedrunners = vulnerability researchers

Thousands of video game enthusiasts are developing experience in the cybersecurity industry by accident.

  • February 26, 2025
  • Share
news-pic1

Is it hard to port Frida on OpenWrt?

Frida runs out-of-the-box on many common targets. How hard is it to port Frida to an unsupported platform?

  • November 26, 2024
  • Share
news-pic1

Android testing with Lariat

Lariat works with Device Farmer to address the challenges of platform fragmentation in Android device testing.

  • February 19, 2024 by the Zetier team
  • Share
news-pic1

CodeQL for security research

CodeQL is a query language for code analysis, allowing powerful code introspection and data flow queries.

news-pic1

Sharing our knowledge

Sharing knowledge is in Zetier’s corporate DNA, and this expresses itself in multiple ways.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
news-pic1

Our 2024 open-source contributions

Check out the contributions our team made – and tools we open-sourced – in 2024.

  • December 19, 2024 by the Zetier team
  • Share
news-pic1

Android testing with Bungeegum

When code is executed with Bungeegum, it operates within the application's context and memory space, mirroring how Android CNO tools are typically used in real-world scenarios.

  • August 24, 2024 by the Zetier team
  • Share
news-pic1

Being a reservist at Zetier

Thousands of military members juggle their reserve commitment and civilian life. Read this post to learn how Zetier makes sure you won’t drop the ball.

news-pic1

Oops, there goes the OPSEC

Breadcrumbs are left throughout computer systems that hackers can use to track attribution or recover sensitive information. See possible gotchas in this post.

  • May 22, 2024 by the Zetier team
  • Share
news-pic1

February 2024 watercooler topics

Various topics of interest covering IT, cybersecurity, tech innovations, from GitLab workflows to satellite tech advancements.

  • March 4, 2024 by the Zetier team
  • Share
news-pic1

December 2023 watercooler topics

Highlights from around the internet that we discussed in the office during Dec 2023. Everything from the best deals on collectable turbo-jet engines to Bluetooth CVEs.

  • February 5, 2024 by the Zetier team
  • Share
news-pic1

2023 corporate offsite

At Zetier’s 2023 annual offsite we met in San Juan Puerto Rico for some corporate business, relationship building, good food, and fun in the sun.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
news-pic1

Sharing our knowledge

Sharing knowledge is in Zetier’s corporate DNA, and this expresses itself in multiple ways.

  • January 10, 2024 by Mark Goldenberg, Senior Zetier Technical Writer
  • Share
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