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0x4lter
rep. 90 days
3pts
rep. all time
3pts
rank
7571
accepted
-
valid
75%
total
5
streak
Low
Certifications
OffSec - OffSec Certified Professional (OSCP)
Issue date: 11/22/2025
Expiration date: 11/22/2028
Interests
API
Network / Infrastructure
Source Code Review
Web Hacking
Education
IT Services
Manufacturing - Consumer
Media & Entertainment
Public Services
Achievements
Activity
External Accounts
Unlocked Achievements
Bronze Finder
Bronze Finder
Reach 1 valid submission
1/25/2026
Low-Key Hunter
Low-Key Hunter
Get a valid submission with a low severity.
1/25/2026
Activity
0x4lter's submission in has been rejected [Out of scope]
4 days ago
0x4lter created submission in BMW Group from BMW
6 days ago
0x4lter created submission in from
10 days ago
0x4lter's submission in Algemeen Dagblad has been rejected [Duplicate] by DPG Media
about 1 month ago
0x4lter's submission in De Morgen has been rejected [Duplicate] by DPG Media
about 1 month ago
0x4lter's submission in De Volkskrant has been rejected [Duplicate] by DPG Media
about 1 month ago
0x4lter created submission in Algemeen Dagblad from DPG Media
about 1 month ago
0x4lter created submission in De Morgen from DPG Media
about 1 month ago
0x4lter created submission in De Volkskrant from DPG Media
about 1 month ago
Top contributions
 De Volkskrant
Algemeen Dagblad
De Morgen
Last contributions
 Algemeen Dagblad
De Morgen
De Volkskrant
External statistics
Not linked
Not linked
Not linked