00446nam a22001217a 4500020002400000082001500024100001500039245007400054260004100128300003600169500002000205650009900225  a9781718501287 (pbk)  a005.8bGRU  aGrubb, Sam  aHow cybersecurity really works ba hands-on guide for total beginners  aSan FranciscobNo Starch Pressc2021  a xiv, 194 p.b: ill.,c; 24 cm.  aIncludes Index.  aComputer sciencevAttack targets  InternetvWireless network piratingvEncryption crackingvFC