OJGFIVUZ NVJ GTJ HNDIV PIKOG IW JOGVM GI HIZG CIHPSGJV ZMZGJHZ. PVJLJOGKOA SOFNO

Question

OJGFIVUZ NVJ GTJ HNDIV PIKOG IW JOGVM GI HIZG CIHPSGJV ZMZGJHZ. PVJLJOGKOA SOFNOGJQ KOGVSZKIO, SZJ, NESZJ, IV WYIIQKOA IW CIHHSOKCNGKIOZ CTNOOJYZ KZ N TKAT PVKIVKGM GI IVANOKXNGKIOZ GVMKOA GI PVIGJCG GTJKV NZZJGZ. OJGFIVU ZJCSVKGM KZ NEISG PVJZJVLKOA GTJ NPPVIPVKNGJ SZJ IW OJGFIVU VJZISVCJZ FTKYJ PVJLJOGKOA QKZNYYIFJQ SZJ. KO GTKZ CISVZJ, MIS FKYY YJNVO TIF GI JHPYIM WKVJFNYYZ, LPOZ, NOQ ZGNGJWSY PNCUJG KOZPJCGKIO GJCTOKBSJZ GI TNVQJO CIHPSGJV OJGFIVUZ. GIPKCZ KOCYSQJ PNCUJG WKYGJVKOA, KOGVSZKIO QJGJCGKIO NOQ PVJLJOGKIO, KOAVJZZ NOQ JAVJZZ VSYJZ, HIOKGIVKOA, OJGFIVU NCCJZZ CIOGVIYZ, NSGTJOGKCNGKIO, NSGTIVKXNGKIO, NOQ NSQKGKOA.

Explanation / Answer

CRACKED IT

NETWORKS ARE THE MAJOR POINT OF ENTRY TO MOST COMPUTER SYSTEMS. PREVENTING UNWANTED INTRUSION, USE, ABUSE, OR FLOODING OF COMMUNICATIONS CHANNELS IS A HIGH PRIORITY TO ORGANIZATIONS TRYING TO PROTECT THEIR ASSETS. NETWORK SECURITY IS ABOUT PRESERVING THE APPROPRIATE USE OF NETWORK RESOURCES WHILE PREVENTING DISALLOWED USE. IN THIS COURSE, YOU WILL LEARN HOW TO EMPLOY FIREWALLS, VPNS, AND STATEFUL PACKET INSPECTION TECHNIQUES TO HARDEN COMPUTER NETWORKS. TOPICS INCLUDE PACKET FILTERING, INTRUSION DETECTION AND PREVENTION, INGRESS AND EGRESS RULES, MONITORING, NETWORK ACCESS CONTROLS, AUTHENTICATION, AUTHORIZATION, AND AUDITING.

KEY : abcdefghijklmnopqrstuvwxyz
          necqjwatkduyhoipbvzgslfrmx

We can see that A in plain Text is N in Cipher TEXT
We can see that Z in plain Text is X in Cipher TEXT
We can see that N in plain Text is O in Cipher TEXT

Thanks, let me know if there is any doubts

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