A list of known hackers on CSS. (Yes, this are GB that owns you with AWM in stock #2 ;o)
Black list update, all are known hackers.
From EMF
Banned (Hack detected) [*.Surprised.O:.*BLUETOOTH] [sTEAM_0:0:6678409]
Banned (Hack detected) [{ViRuS} - NUTWEAVE] [sTEAM_0:0:5314016]
Banned (Hack detected) [Z@MB!e] [sTEAM_0:1:6848480]
Banned (Hack detected) [EAT Recycled Food] [sTEAM_0:0:7723195]
Banned (Hack detected) [NemesisRx] [sTEAM_0:0:6046156]
Banned (Hack detected) [[def]~PREDATOR~] [sTEAM_0:1:6914756]
Banned (Hack detected) [Ò³Ò²�.Ŧ.ÄÒ²Ò³ Re|oad] [sTEAM_0:1:5420477]
Banned (Hack detected) [[uAF]colin] [sTEAM_0:0:6844379]
Banned (Hack detected) [|FFU|MG.Dong-Slap] [sTEAM_0:0:6149029]
Banned (Hack detected) [Pubmaster5000] [sTEAM_0:0:4333299]
Banned (Hack detected) [G-Unit] [sTEAM_0:0:5841413]
Banned (Hack detected) [stanley steamer] [sTEAM_0:0:7007654]
Banned (Hack detected) [(~TiW~) ]-[|ï|Ŧ|M|Ã|Ã] [sTEAM_0:1:7202537]
Banned (Hack detected) [.50 CAL] [sTEAM_0:0:6956558]
Banned (Hack detected) [[trs] Danish Muffin Man] [sTEAM_0:0:5054153]
Banned (Hack detected) [dARK_aNGEL] [sTEAM_0:0:2157819]
Banned (Hack detected) [sniper wolf] [sTEAM_0:1:2613341]
Banned (Hack detected) [jammybastard] [sTEAM_0:0:4663854]
Banned (Hack detected) [[sA]EBgames] [sTEAM_0:0:7928089]
Banned (Hack detected) [DÃD LITE JÃVEL] [sTEAM_0:1:301828]
Banned (Hack detected) [sithLord Anakin] [sTEAM_0:1:3743627]
Banned (Hack detected) [|CSOfical| HIS MOMMA] [sTEAM_0:0:3239263]
Banned (Hack detected) [bleck] [sTEAM_0:1:5534731]
Banned (Hack detected) [i8CrOwTs] [sTEAM_0:1:5369581]
Banned (Hack detected) [&your&your&] [sTEAM_0:0:3239263]
From server admin on EMF forums
Banned (Hack detected) [*{RM}* Merlin] [sTEAM_0:1:2542433] banid 0 293 kick
Banned (Hack detected) [Tauren] [sTEAM_0:0:2015917] banid 0 128 kick
Banned (Hack detected) [XxBULLETSxX] [sTEAM_0:1:3375414] banid 0 150 kick
Banned (Hack detected) [{FNF}Meathead] [sTEAM_0:0:3028041] banid 0 851 kick
Banned (Hack detected) [magnet.trance.gemini] [sTEAM_0:1:6559290] banid 0 1262 kick
Banned (Hack detected) [J Æ’ H] [sTEAM_0:1:5136595] banid 0 1140 kick
Banned (Hack detected) [Crack 4 You!] [sTEAM_0:1:5145183] banid 0 1215 kick
Banned (Hack detected) [Cadbury Bunny] [sTEAM_0:0:5987869] banid 0 1581 kick
Banned (Hack detected) [sKu!!~Wh!t3] [sTEAM_0:0:3958524] banid 0 1847 kick
Banned (Hack detected) [bob the Dork] [sTEAM_0:1:412809] banid 0 2126 kick
Banned (Hack detected) [sKu!!~Wh!t3] [sTEAM_0:0:3958524] banid 0 1847 kick
Banned (Hack detected) [Krazee-Eyez Killa] [sTEAM_0:0:6923672] banid 0 1683 kick
Banned (Hack detected) [[myg0t]g0d] [sTEAM_0:1:5495197] banid 0 1521 kick
Banned (Hack detected) [Lemmiwinks] [sTEAM_0:1:2613341] banid 0 1262 kick
Banned (Hack detected) [.SnF.||.Convict] [sTEAM_0:0:6606314] banid 0 1307 kick
Banned (Hack detected) [*{RM}* Merlin] [sTEAM_0:1:2542433] banid 0 293 kick
Banned (Hack detected) [Tauren] [sTEAM_0:0:2015917] banid 0 128 kick
Banned (Hack detected) [XxBULLETSxX] [sTEAM_0:1:3375414] banid 0 150 kick
Banned (Hack detected) [{FNF}Meathead] [sTEAM_0:0:3028041] banid 0 851 kick
Banned (Hack detected) [magnet.trance.gemini] [sTEAM_0:1:6559290] banid 0 1262 kick
Banned (Hack detected) [J Æ’ H] [sTEAM_0:1:5136595] banid 0 1140 kick
Banned (Hack detected) [Crack 4 You!] [sTEAM_0:1:5145183] banid 0 1215 kick
Banned (Hack detected) [Cadbury Bunny] [sTEAM_0:0:5987869] banid 0 1581 kick
Banned (Hack detected) [sKu!!~Wh!t3] [sTEAM_0:0:3958524] banid 0 1847 kick
Banned (Hack detected) [bob the Dork] [sTEAM_0:1:412809] banid 0 2126 kick
Banned (Hack detected) [sKu!!~Wh!t3] [sTEAM_0:0:3958524] banid 0 1847 kick
Banned (Hack detected) [¿My_Chemical_Burn¿] [sTEAM_0:0:6146326] banid 0 2280 kick
Banned (Hack detected) [{ViRuS} - NUTWEAVE] [sTEAM_0:0:5314016]
-This guys was an 'impressive toggler', I wouldn't suggest giving him any chances if you see him in a server, if he's doing good he's probably hacking. Though you probably won't have to worry much since your servers are VAC protected.
*Note: The are all specifically on source, for a larger list (Source and 1.6) check out this thread on Forumsector.com