SECURITY REPORT · EXTENSHI SCAN
Dual N-Back: brain training & working memory game
Chrome extension·by oleg.phenomenon
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
Dual N-Back: brain training & working memory game's safety score vs every other extension we've scanned
Globally
52%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
55%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
10
median 12Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
1
median 1Declared in manifest
Active users
119
median 26vs category median
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Scanners reported 11 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High220%
Needs Review00%
Medium660%
Low110%
Info110%
Permissions requested
1 permission declared
No risky permissions
1 permission requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 25, 2026
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