Signal
signal.org
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Products
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Growth
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News
Automatic key verification: Signal closes an old gap
Automatic key verification lets Signal users prove they got the right key, with Cloudflare and Trail of Bits as independent auditors of the log.
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Signal Taps Cloudflare to Help Protect the Privacy of Hundreds of Millions of Users Through Key Transparency - AOL
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When Startup Culture Turns a Tattoo Into a Hiring Signal
A LemonLime founder's tattoo-party recruitment post triggered criticism because unconventional hiring can blur enthusiasm, pressure and workplace power.
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Signal adds new security feature to thwart man-in-the-middle attacks
Signal has introduced Automatic Key Verification, a new security feature that gives users a new way to ensure their encrypted chats haven
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Technologies
Tech DNA
Java
Kotlin
Backend
Java
Kotlin
Stack modernity
85/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
Stack changes
Kotlin
Aug 2026
Java
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Bofd
Euroclear
Toyota
Grab
Infosys
JPMorganChase
Growth
Hiring Momentum
34/100
Slowing
Open positions
0
0 opened / 1 closed in 30 days
Median time-to-fill
1651 days
ATS activity
Every ~12 hours
Today
Activity Timeline
Added Kotlin to stack
Aug 2026
Added Java to stack
Aug 2026