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Interior & buildings
Outline
Architecture & Interior
Castle, secure, Kingdom
Black
512x512
Mixed
Miscellaneous
Unlock, secure, Lock
miscellaneous, Unlock, security
secure, security, miscellaneous
Lock, secure, locked
Education & science
Line mix Vol.2
secure, safety, shield
PNG MORE
Filled outline
Line color mix Vol.1
Firewall, safety, shield
DimGray
Line color mix Vol.2
secure, Protection, security
Network & communications
Line color mix Vol.3
LightSlateGray
Music & multimedia
Line mix Vol.1
security, safety, protect
Computer & hardware
Glyph
Database Management
Database, Hosting, Server
Thin Line Icons for SEO and Development
secure, security, Lock
Simple files
Lock, secure, privacy
Business & finance
Currency - Taiwan Dollar Vol 1
secure, Dollar, coin
Dollar, secure, Currency
Currency - Shekel Vol 1
secure, Safe, Money
Currency - Pound vol 1
financial, secure, vault
israeli, Safe, Currency
Currency, Finance, Lock
Currency - Belarus Vol 1
Finance, Currency, vault
Currency, Cash, secure
Currency - Euro vol 1
secure, Money, Safe
Money, secure, Lock
Currency - Bitcoin vol 1
Lock, Finance, Currency