Crossing_the_Rubicon_I

Once you get into cryptography, you really can't go back! But, to learn how modern ciphers work, you have to go way back to the very fist ciphers. Hailing from Ancient Rome, this might just be the most famous code of all time, which means it isn't great for security. Take a stab (or 23) at cracking this one!

Qefp lkb'p molyxyiv ybpq ibcq ql efpqlov. Kfzb tloh! Cixd: pmxoqxkZQC{3_7r_Yor7b?37284749}