authentication failure for illegal user

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
authentication failure for illegal user	0.64	0.6	5926	37	39
authentication	1.23	0.9	7444	39	14
failure	0.86	0.2	6715	93	7
for	1.72	0.9	6100	58	3
illegal	1.72	0.5	9401	45	7
user	0.54	0.4	5728	96	4

Keyword	CPC	PCC	Volume	Score
authentication failure for illegal user	1.56	0.5	1206	6
pam authentication failure for illegal user	0.58	0.7	652	48
authentication failure for user	1.53	0.6	8152	93
failed authentication for user	0.56	0.6	9253	69
what does user authentication failed mean	1.33	0.4	8937	3
user authentication failed meaning	0.66	1	8030	63
authentication failed authentication failure	0.13	1	6018	61
what is authentication failure	0.31	0.5	9965	28
possibly caused by authentication failure	1.05	0.9	8302	40
failed to perform user authentication	0.98	0.4	5109	63
unauthorized authentication failed for	0.6	0.1	5385	17
failed to authenticate user	1.5	0.7	9969	33
authentication failed or not allowed	1.01	0.8	1052	73
failed authentication due to	0.1	0.5	3343	19
user failed to be authenticated	1.56	0.1	6390	99
what is authentication failed	1.17	0.8	8620	90
failed to obtain authentication	0.13	0.1	5878	28
why does authentication fail	0.49	0.7	9124	71
what does failed authentication mean	1.38	0.3	7896	45
failed to be authenticated	1.23	0.5	7211	6