You can't cast this spell on full cyborgs.
This is a spell with a range of Line of Sight, and it effects living tissue only. As a result, you can't cast it on a full cyborg because you can't draw a line of sight to their organic tissues, since they're covered completely by their machine components.
Additionally, rules for full conversion cyborgs aren't in ...
Nope, because EMPs don't work.
The vast majority of Shadowrun technologies use optical circuitry and optical chips, especially the expensive ones like implants and cyberdecks. They are not subject to EMP. Even then, popular culture references do not actually depict what EMPs actually are nor what they actually do.
In fact, if you do a deep dive into some ...
There is no rule, and you shouldn't do it.
I've been playing Shadowrun since First Edition, and while the plotline has advanced and the mechanics have changed, the core of the setting hasn't really. Some of the details have been lost in the edition changes, but the "scientific reality" of the setting hasn't explicitly changed.
While Shadowrun uses Essence ...
Interference (Street Grimoire, p. 117)
This allows you to jam devices in a certain area (provided that you can beat the object resistance roll):
Street grimoire, p. 105
Interference creates a barrage of static in the electromagnetic
spectrum jamming radio and wireless signals. This spell jams all signals in the area of effect with a Signal rating less ...
Let's try to make sense of why, shall we?
The description states that your character is "not merely intolerant — he is outspoken about his beliefs and may actively work against the target of his prejudice" (pg. 82).
In other words, the thing that makes this an out-and-out disadvantage rather than simply a "roleplayed" personality trait is ...
Consider giving with karma and cash bonuses for off-screen activities
I second all of Upper_Case's excellent answer. Shadowrun is meant to progress more slowly than some other systems and to be fairly gritty.
With that said, back when I ran a Shadowrun game I also used to get frustrated with characters not having the resources to play with the new toys (...