Archives of Nethys

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Modules, Upgrades, and Countermeasures


Countermeasures form a computer system’s last defense against hackers trying to compromise it. Countermeasures are specifically designed to activate when an unauthorized user attempts unsuccessfully to access the system, usually by entering an incorrect password or by failing to bypass other security precautions. Some activate the moment a user tries to get into the system and deactivate only once the correct password has been entered. In either case, a computer can have a number of countermeasures equal to its tier.


Source Starfinder Core Rulebook pg. 215
Price 20% of computer's base price; Type Countermeasure
This countermeasure does nothing to the intruder but instead partitions off modules behind an additional layer of security. Accessing the hidden modules requires another successful Computers check, usually with a DC equal to the original DC + 2. A computer can have multiple firewalls to block off multiple modules, but no one module can be protected by more than a single firewall. A firewall costs 20% of the base price of the computer.