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0x4lter
rep. 90 days
102pts
rep. all time
504pts
rank
504
accepted
14
valid
93%
total
28
streak
Exceptional
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
exceptional_severity
program_top_ten
critical_severity
Bug Baron
Bug Baron
Reach the top 10 on a program quarterly leaderboard
4/1/2026
Shell Commander
Shell Commander
Collaborate on a valid submission
6/29/2026
Profile Pwner
Profile Pwner
Complete your profile
4/10/2026
Platinum Finder
Platinum Finder
Reach 25 valid submissions
9/18/2026
Activity
0x4lter's submission in BMW Group has been accepted by BMW
30 days ago
0x4lter's submission in BMW Group has been accepted by BMW
30 days ago
0x4lter's submission in Randstad has been rejected [Duplicate] by Randstad
about 1 month ago
0x4lter created submission in Randstad from Randstad
about 1 month ago
0x4lter's submission in Randstad has been rejected [Duplicate] by Randstad
3 months ago
0x4lter created submission in BMW Group from BMW
3 months ago
0x4lter created submission in BMW Group from BMW
3 months ago
0x4lter's submission in Randstad has been accepted by Randstad
3 months ago
0x4lter's submission in Randstad has been accepted by Randstad
3 months ago
0x4lter's submission in Randstad has been accepted by Randstad
3 months ago
0x4lter's submission in Randstad has been rejected [Duplicate] by Randstad
4 months ago
0x4lter's submission in Randstad has been rejected [Duplicate] by Randstad
4 months ago
0x4lter created submission in Randstad from Randstad
4 months ago
0x4lter created submission in Randstad from Randstad
4 months ago
0x4lter created submission in Randstad from Randstad
4 months ago
0x4lter created submission in Randstad from Randstad
4 months ago
0x4lter's submission in Randstad has been rejected [Duplicate] by Randstad
4 months ago
0x4lter created submission in Randstad from Randstad
4 months ago
0x4lter created submission in Randstad from Randstad
4 months ago
0x4lter's submission in Randstad has been accepted by Randstad
4 months ago
Top contributions
 Randstad
The Coca-Cola Company Vulnerability Disclosure Program
BMW Group
Nestlé VDP
De Volkskrant
Algemeen Dagblad
Last contributions
 BMW Group
Randstad
Nestlé VDP
The Coca-Cola Company Vulnerability Disclosure Program
Algemeen Dagblad
De Morgen
External statistics
Not linked
Not linked
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