Matrix Intrusion Countermeasures (IC)

Rules and Resources: Our Summary of SR5e Rules
IC Opposed By Marks Required Description
Acid Firewall + WIL - Reduces Firewall by 1 (regardless of Net Hits). If Firewall already 0, 1DV Matrix Damage per Net Hit. Reduction is cumulative with multiple attacks. Lasts until Reboot
Binder Data Processing + WIL - Reduces Data Processing by 1 (regardless of Net Hits). If Data Processing already 0, 1DV Matrix Damage per Net Hit. Reduction is cumulative with multiple attacks. Lasts until Reboot
Black IC Firewall + INT - Link-Locks target. Matrix Damage: (Attack)DV, +1/Net Hit, +2/Mark, Equal amount of Biofeedback Damage
Blaster (Grey IC) Firewall + LOG - Link-Locks target. Matrix Damage: (Attack)DV, +1/Net Hit, +2/Mark, Equal amount of Biofeedback Damage (always only Stun Damage)
Crash Firewall + INT 1 If IC/Host has 1 Mark, randomly crashes 1 of your programs (that program is unavailable until Reboot)
Jammer Attack + WIL - Reduces Attack by 1 (regardless of Net Hits). If Attack already 0, 1DV Matrix Damage per Net Hit. Reduction is cumulative with multiple attacks. Lasts until Reboot
Killer Firewall + INT - Matrix Damage: (Attack)DV, +1/Net Hit, +2/Mark
Marker Sleaze + WIL - Reduces Sleaze by 1 (regardless of Net Hits). If Sleaze already 0, 1DV Matrix Damage per Net Hit. Reduction is cumulative with multiple attacks. Lasts until Reboot
Patrol Sleaze + LOG - Patrols host, scans for marks, looks for illegal activity, icons running silent. Uses Matrix Perception Action – not an Attack. No damage on failed attempt. Shares info with Host and other IC
Probe Firewall + INT - Gains Mark (shared with Host and other IC). Max Marks = 3
Scramble Firewall + WIL 3 If IC/Host has 3 Marks, forced to reboot. Suffer Dumpshock if in VR
Sparky Firewall + INT - Matrix Damage: (Attack)DV, +1/Net Hit, +2/Mark. Equal amount of Biofeedback Damage
Tar Baby Firewall + LOG - Link-Locks target. If target already Link-locked, gains Mark (shared with other IC/Host). Max Marks = 3
Track Sleaze + WIL 2 If IC/Host has 2 Marks, Host (and owners/security spiders) discover physical location of target’s body. Usually immediately reported to real-world authorities