Early access: the directory is still filling out, and every rating here is a reported experience.
NR Unrated
Malwarebytes
Malwarebytes HackerOne
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Found a vulnerability?

If you would rather not deal with the vendor yourself, a BugRater analyst will submit it upstream on your behalf, with your explicit permission, and tell you what came back.

Ask BugRater to submit it

Private. The report body is encrypted at rest; BugRater holds the key, so the analyst working it can read it. Every read is logged.

Program metrics HackerOne · published

HackerOne’s own figures for this program, read from its public page, not reported by researchers and not part of the BugRater grade. Captured 22 Sep 2026.

What it pays, by severity

Critical $3,900 avg 18 reports indicative
High $1,515 avg 96 reports firm
Medium $505 avg 166 reports firm
Low $100 avg 79 reports firm

$260,000 paid to researchers in total, $30,000 of it in the last 90 days. Lifetime figure as HackerOne prints it: evidence this program has paid, not a promise about any one report.

Intake & responsiveness · last 90 days

Reports received
330
in 90 days
Resolved
369
all time, last one 6 days ago
Participants
373
hunters engaged
Response efficiency
70%
below its own targets, HackerOne’s figure
SLA misses
0
targets missed
Reports received · day by day, last 16 days 274–331
25 Aug 330 reports 22 Sep

Response targets it sets itself

First response
2 days
Triage
10 days
Bounty
90 days
Resolution
30 days

A target the program declared, not a measurement of it being met.

Getting in the door

bounty amounts hidden

Over 31 days (18 snapshots): intake up 79 reports; response efficiency down 4 points; 90-day payout down $10,000.

See how this programme’s report load compares to others →

Reviews

0 published

No reviews yet.

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Who this program credits

368 credited

Researchers HackerOne shows on this program’s public thanks list, best position first. “Recognised” is how many of a hunter’s submissions the program accepted; the ratio is their signal here, not our judgement of them.

# Researcher Reputation Recognised / submitted
1 bigbug 775 21 / 30 70%
2 vultza 665 15 / 17 88%
3 zy9ard3 454 13 / 15 87%
3 bc899613b0c246dccade1a4 111 0 / 1 0%
4 amunius 442 9 / 11 82%
5 todayisnew 364 19 / 26 73%
6 xzemit42 305 11 / 23 48%
7 mmg 277 8 / 20 40%
8 godiego 244 9 / 10 90%
9 valent1ad 223 7 / 9 78%
10 xcoder074 219 3 / 4 75%
11 assafka 203 4 / 4 100%
12 m0chan 201 9 / 14 64%
13 ch1naa 200 6 / 6 100%
14 gee-netics 195 4 / 5 80%
15 proabiral 180 12 / 12 100%
16 d0xing 178 10 / 10 100%
17 larocas 174 2 / 3 67%
18 n13s 167 9 / 14 64%
19 europa 145 5 / 6 83%
20 filip_000 143 1 / 3 33%
21 rivest 136 0 / 0
22 r9r9r9 133 6 / 11 55%
23 miltinhoc 125 3 / 5 60%
24 mikemyers 118 2 / 2 100%

Showing the top 25 of 368 credited on HackerOne.

Program profile HackerOne · imported

Facts published by HackerOne on the program's own page, not reported by researchers, and not part of the BugRater grade. Last checked 16 Sep 2026.

Cyberprotection for every one.

Responsiveness
72% HackerOne’s figure
Swag
No
Currency
USD
Submissions
Open
Launched
Feb 2023
Scope entries
97 HackerOne’s count

Scope

91 assets
AssetTypeEligibilityMax severity
*.cloud.malwarebytes.com WILDCARD ✓ bounty Critical
*.cyrus-security.com WILDCARD ✓ bounty Critical
*.malwarebytes.com WILDCARD ✓ bounty Critical
*.mb-cosmos.com WILDCARD ✓ bounty Critical
*.mbamupdates.com WILDCARD ✓ bounty Critical
Show all 91 assets
AssetTypeEligibilityMax severity
*.mwb-threatintel.com WILDCARD ✓ bounty Critical
*.mwbsys.com WILDCARD ✓ bounty Critical
*.threatdown.com WILDCARD ✓ bounty Critical
AdwCleaner DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Any other Malwarebytes asset OTHER ✓ bounty Critical
Any other ThreatDown asset OTHER ✓ bounty Critical
app-support.malwarebytes.com URL ✓ bounty Critical
ark.malwarebytes.com URL ✓ bounty Critical
assessment.malwarebytes.com URL ✓ bounty Critical
block.malwarebytes.com URL ✓ bounty Critical
blog.malwarebytes.com URL ✓ bounty Critical
br.malwarebytes.com URL ✓ bounty Critical
BrowserGuard (Firefox/Chrome/Safari browser extension) OTHER ✓ bounty Critical
buy.malwarebytes.com URL ✓ bounty Critical
cdn.blog.malwarebytes.com URL ✓ bounty Critical
click.malwarebytes.com URL ✓ bounty Critical
cloud.malwarebytes.com URL ✓ bounty Critical
cloud.threatdown.com URL ✓ bounty Critical
com.malwarebytes.Malwarebytes APPLE STORE APP ID ✓ bounty Critical
contrib-adwcleaner.malwarebytes.com URL ✓ bounty Critical
de.malwarebytes.com URL ✓ bounty Critical
devshop.malwarebytes.com URL ✓ bounty Critical
downloads.malwarebytes.com URL ✓ bounty Critical
edr.malwarebytes.com URL ✓ bounty Critical
es.malwarebytes.com URL ✓ bounty Critical
fr.malwarebytes.com URL ✓ bounty Critical
fullsandshop.malwarebytes.com URL ✓ bounty Critical
go.malwarebytes.com URL ✓ bounty Critical
go2.malwarebytes.com URL ✓ bounty Critical
https://oneview.threatdownstage.com URL ✓ bounty Critical
image.malwarebytes.com URL ✓ bounty Critical
info.malwarebytes.com URL ✓ bounty Critical
iptest.malwarebytes.com URL ✓ bounty Critical
it.malwarebytes.com URL ✓ bounty Critical
jobs.malwarebytes.com URL ✓ bounty Critical
links.malwarebytes.com URL ✓ bounty Critical
Malwarebytes 4 DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes Endpoint Protection & Incident Response DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes for Mac DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes for Teams DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes for Windows DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes Incident Response DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes Privacy (VPN) OTHER ✓ bounty Medium
Malwarebytes Remediation for CrowdStrike DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes Support Tool (MBST) DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes ToolSet (MBTS) DOWNLOADABLE EXECUTABLES ✓ bounty Critical
Malwarebytes Windows Firewall Control DOWNLOADABLE EXECUTABLES ✓ bounty Medium
MB4 (Malwarebytes 4) Beta OTHER ✓ bounty Critical
mta.malwarebytes.com URL ✓ bounty Critical
my.malwarebytes.com URL ✓ bounty Critical
myaccount-dev.malwarebytes.com URL ✓ bounty Critical
myaccount-stage.malwarebytes.com URL ✓ bounty Critical
nl.malwarebytes.com URL ✓ bounty Critical
oneview.malwarebytes.com URL ✓ bounty Critical
oneview.threatdown.com URL ✓ bounty Critical
org.malwarebytes.antimalware GOOGLE PLAY APP ID ✓ bounty Critical
partialshop.malwarebytes.com URL ✓ bounty Critical
pl.malwarebytes.com URL ✓ bounty Critical
press.blog.malwarebytes.com URL ✓ bounty Critical
press.malwarebytes.com URL ✓ bounty Critical
private-adwcleaner.malwarebytes.com URL ✓ bounty Critical
pt.malwarebytes.com URL ✓ bounty Critical
ru.malwarebytes.com URL ✓ bounty Critical
shop.malwarebytes.com URL ✓ bounty Critical
subscribe.malwarebytes.com URL ✓ bounty Critical
support.malwarebytes.com URL ✓ bounty Critical
tableau-mobile.dev.malwarebytes.com URL ✓ bounty Critical
telemetry.malwarebytes.com URL ✓ bounty Critical
ThreatDown Browser Phishing Protection OTHER ✓ bounty Critical
ThreatDown Device Control OTHER ✓ bounty Critical
ThreatDown Endpoint Detection & Response (EDR) OTHER ✓ bounty Critical
ThreatDown Endpoint Protection OTHER ✓ bounty Critical
ThreatDown Patch Management OTHER ✓ bounty Critical
tools.malwarebytes.com URL ✓ bounty Critical
www.malwarebytes.com URL ✓ bounty Critical
estore.malwarebytes.com URL out None
forums.malwarebytes.com URL submit only Critical
Malwarebytes Anti-Exploit DOWNLOADABLE EXECUTABLES submit only Medium
Malwarebytes Anti-Ransomware DOWNLOADABLE EXECUTABLES out None
malwarebytes.zoom.us URL out None
pages.malwarebytes.com URL out None
store.malwarebytes.com URL out None
store.threatdown.com URL out None
toolset.malwarebytes.com URL out None
USB Flash Drive Control DOWNLOADABLE EXECUTABLES submit only Medium
view.malwarebytes.com URL out None

HackerOne lists 97 scope entries; its public listing groups many assets under one label, so identical entries are shown once.