Check an iPhone backup for spyware with Claude Code
A friend's battery died overnight and he believed someone knew where he'd been, so tezzarc made a backup of the iPhone, opened Claude Code with Opus 5.5 and asked whether it showed signs of spyware.
Source
@tezzarc on X · 2026-10-22
Written in our own words. Credit to the original author. Link checked 2026-10-23.
What they did
A friend's battery died overnight and he believed someone knew where he'd been, so tezzarc made a backup of the iPhone, opened Claude Code with Opus 5.5 and asked whether it showed signs of spyware.
Result (as claimed)
He says it found spyware that had been watching his friend for almost 2 months.
Tools they used
Cost: Claude Code: from $17/mo; Claude Opus 5.5: from $4 in / $20 out per 1M tokens.
Set it up
Define the job
Say exactly what you want done and what the agent may and may not do on your behalf.
Share only what is needed
Give Claude Code the minimum files or access required. Avoid sharing passwords in chat when a safer login flow exists.
Review the plan
Ask the agent to show its plan or draft before it acts, and approve each step that has real consequences.
Check the result
Confirm the outcome yourself (order placed, request sent, document understood) and keep a record.
Copy the full setup prompt
Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.
You are helping me set up this AI use case end to end in Claude Code. Goal: Check an iPhone backup for spyware with Claude Code What the original author did: A friend's battery died overnight and he believed someone knew where he'd been, so tezzarc made a backup of the iPhone, opened Claude Code with Opus 5.5 and asked whether it showed signs of spyware. Reported result (as claimed by the author): He says it found spyware that had been watching his friend for almost 2 months. Source: https://x.com/tezzarc/status/2113080003940290741 Tools they used: Claude Code, Claude Opus 5.5, iPhone Category: Personal & life Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Codex. Goal: Check an iPhone backup for spyware with Claude Code What the original author did: A friend's battery died overnight and he believed someone knew where he'd been, so tezzarc made a backup of the iPhone, opened Claude Code with Opus 5.5 and asked whether it showed signs of spyware. Reported result (as claimed by the author): He says it found spyware that had been watching his friend for almost 2 months. Source: https://x.com/tezzarc/status/2113080003940290741 Tools they used: Claude Code, Claude Opus 5.5, iPhone Category: Personal & life Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Grok Bot. Goal: Check an iPhone backup for spyware with Claude Code What the original author did: A friend's battery died overnight and he believed someone knew where he'd been, so tezzarc made a backup of the iPhone, opened Claude Code with Opus 5.5 and asked whether it showed signs of spyware. Reported result (as claimed by the author): He says it found spyware that had been watching his friend for almost 2 months. Source: https://x.com/tezzarc/status/2113080003940290741 Tools they used: Claude Code, Claude Opus 5.5, iPhone Category: Personal & life Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
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Guides for this use case
How to vibe code an app with Claude Code · How to run AI agents overnight while you sleep · How to control coding agents from your phone
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