A validator that is caught acting "maliciously" will be slashed, penalized and eventually forced into an “exited” state

Epoch Slot Slashed Validator Slashed By Reason
1487194759015 3280 420864Attestation rule offense
1487174758974 3281 366016Attestation rule offense
1487174758973 3308 298901Attestation rule offense
1487174758973 3268 298901Attestation rule offense
1487174758956 3264 43144Attestation rule offense
1487164758923 3267 238068Attestation rule offense
1487144758872 3306 59358Attestation rule offense
1487124758798 3282 328326Attestation rule offense
1487124758791 3283 32104Attestation rule offense
1487124758786 3265 168754Attestation rule offense