Blog
Practical guides on AI prompt blocking for parents, educators, and IT and security teams.
Enterprise
Requiring IT approval is the most common AI governance control there is. Here is a review that scales with the data at stake: five areas, fifteen questions, the red flags that end a review, and how to turn the verdict into something enforced.
14 min read
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Educators
Every teacher now reads an essay and wonders. The honest answer is that no sign and no detector can settle it on its own: the signs have innocent explanations and the detectors flag the wrong students. Here is what each signal is actually worth, what the detector studies say, how to run a fair process when you suspect it, and how to take the question off the table on the devices your school manages.
12 min read
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IT and security
Most company data that reaches an AI tool is not stolen. It is pasted, by an employee doing their job, into a consumer account nobody manages. Here is where that data goes once it leaves the clipboard, the channels it travels, six layers that stop it in the right order, and what none of them cover.
13 min read
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IT and security
The browser extension closed the shortcut on managed computers. Now the same policy reaches the phone. Nullgen’s mobile app blocks known AI apps and websites on iPhone, iPad, and Android, deploys through Intune, Jamf Pro, or Iru with no VPN prompt for the employee, and lands every device in the dashboard you already use.
10 min read
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Educators
Chromebooks and lab PCs have had prompt blocking for a while. The tablet cart has not. Nullgen’s app for iPhone, iPad, and Android blocks known AI apps and websites on every managed tablet, installs through your MDM with no VPN prompt for students, and lets teachers approve exceptions themselves.
9 min read
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Product update
The homework computer has been protected for a while. Now the phone can be too. The new Nullgen app stops known AI apps and websites from loading on iPhone and iPad, links to the same dashboard as the extension, and allows for AI access requests.
7 min read
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Enterprise
Most companies have one of two AI policies: a ban nobody enforces, or a document nobody reads. Here is how to write one people can apply in the moment — three tool tiers, four data classes, one decision rule — and how to back it with controls without slowing work down.
13 min read
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IT and security
Employees are pasting source code, customer records, and contracts into AI tools nobody approved. Here is what shadow AI is, why the controls you already run rarely catch it, and how to get ahead of it without slowing anyone down.
13 min read
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Educators
When a Brown professor moved his final exam back into the classroom, the class average fell from 96 percent to 49. Detection after the fact cannot fix that. Here is what does: assessment design, clear rules, and blocking the prompt on the devices your school already manages.
14 min read
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Parents
More than half of U.S. teens now use AI chatbots for schoolwork, and one in ten let them do most of it. Here is how to tell help from cheating, what to say, and how to close the shortcut on the homework computer without reading over your child’s shoulder.
13 min read
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Nullgen AI Blocker