Personal Steam Account on Public Computers

[MarkyPaligs]

My friend and I are going to a public computer shop to play games like the good ol' times, preferably csgo, payday 2 and maybe l4d2 for the elementary school nostalgia.
My concern is that our accounts might get VAC banned after launching games due to sketchy running processes, I heard about this from a 4-comment reddit discussion, there are computers that doesn't let us open task managers or open cmd and download files, we don't know if the shop allows any of those.

TL;DR:

How safe is Steam's Two-Factor Authentication?
Any tips about logging onto public computers?

[HypersleepyNaputunia]

id make a new account only for playing at cafe?

[Wolf Knight]

avoid using public computers to play games. VAC bans are issued when an account accesses a vac server from a computer that has known cheats on it. doesnt matter if you are actively using the cheat, your account will be at risk of a ban.

if you want to play on public computers, stick to single player games. you have no idea what is on a public computer. it only takes 1 person smart enough to get past the shops security settings to wreck your account.

[cSg|mc-Hotsauce]

Talk to the PC shop about securing their own devices from the ability to to use cheats on their PCs.