Question Audit Failures - anything to worry about

jraymond4321

Honorable
Jun 1, 2013
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Hello, I've noticed a get a lot of audit failures showing up in my Windows Security Log. This is on my home PC, which is behind a ASUS router. I tried blocking IP ranges thru Windows Firewall, but new IP's keep connecting. Curious if this is something I should be worried about, or if it is normal.

Below is an example:

An account failed to log on.

Subject:
Security ID: NULL SID
Account Name: -
Account Domain: -
Logon ID: 0x0

Logon Type: 3

Account For Which Logon Failed:
Security ID: NULL SID
Account Name: ADMINISTRATOR
Account Domain:

Failure Information:
Failure Reason: Unknown user name or bad password.
Status: 0xC000006D
Sub Status: 0xC000006A

Process Information:
Caller Process ID: 0x0
Caller Process Name: -

Network Information:
Workstation Name: -
Source Network Address: 68.14.255.152
Source Port: 0

Detailed Authentication Information:
Logon Process: NtLmSsp
Authentication Package: NTLM
Transited Services: -
Package Name (NTLM only): -
Key Length: 0
 

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