This cheat may not work on all versions of the game, specifically version 1.2. Save Editing & External Tools
Always ask for more money or "half up front" when accepting missions to maximize early-game cash flow.
While in the game, press F1 to bring up a secret menu that allows you to give your agent money and manage other stats. Uplink Money Cheats
If the profile cheat is unavailable, you can modify your save file or use memory editors:
This is the most popular way to get rich. You must find an account with a high balance (often found during "Trace a Balance Transfer" missions), transfer the money to your own account, and then meticulously delete the transfer logs in both the target's statement and your own to avoid being caught. This cheat may not work on all versions
I'm the richest man in the Uplink world... - Uplink: Hacker Elite
Instead of many small transfers, you can pool cash from multiple accounts (A to B to C) before making one final transfer to your account. This minimizes the number of connections you need to scrub, reducing the risk of a trace. If the profile cheat is unavailable, you can
You can use Cheat Engine to find the memory address for your current balance and change it to any amount.