SECURITY REPORT · EXTENSHI SCAN
Mimecast Incydr
Firefox extension·by Mimecast Incydr
0
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Mimecast Incydr's safety score vs every other extension we've scanned
Globally
75.81%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
65.81%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
51
median 38Lower is safer
Risky permissions
9
median 1Critical + high perms
Total permissions
15
median 4All declared perms
Critical findings
4
median 2Severity = Critical
Findings breakdown
Automated security signal · 51 distinct issues across 6 severities
51
distinct issues
detected
detected
Scanners reported 88 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical48%
High12%
Needs Review00%
Medium3059%
Low1631%
Info00%
Permissions requested
9 risky permissions of 15 total
3 critical permissions require attention
This extension requests 15 permissions in total. 9 of them grant broad capabilities that are worth a careful look.
Critical
Manage other extensions
Can enable, disable, or uninstall other browser extensions
Critical
Communicate with desktop apps
Can exchange messages with applications installed on your computer
Critical
Access to all websites
Can read and modify content on every website you visit
High
Manage downloads
Can initiate downloads and access your download history
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
Low
View blocked request stats
Can see which declarative rules matched network requests
Info
*://*/*
No additional information available.
Are you the author of Mimecast Incydr?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Mimecast Incydr's live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.