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0x4lter
rep. 90 days
102pts
rep. all time
504pts
rank
510
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
about 1 month ago
0x4lter's submission in BMW Group has been accepted by BMW
about 1 month ago
0x4lter's submission in Randstad has been rejected [Duplicate] by Randstad
about 2 months ago
0x4lter created submission in Randstad from Randstad
about 2 months 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
4 months ago
0x4lter's submission in Randstad has been accepted by Randstad
4 months ago
0x4lter's submission in Randstad has been accepted by Randstad
4 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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