Try these curated collections

Password protected to login on the computer screen, Privacy Security Protection
Security Computer Lock Icon Logo Design Element
Laptop screen displaying a cyber security concept
Data protection. Internet security. 3d isometric computer pc with shield, lock. Concept for web page, banner, presentation, social media, documents, cards posters raster version.
Flat illustration of security center. Lock with chain around  laptop. Eps10
Network Security, Lock, Computer.
laptop computer are bound with chains and locked with a padlock. concept of security center. flat illustration concept for web banners, web and mobile app, web sites, infographics.
Keyboard,Padlock,Security,Internetsecurity,Encryption
Password protected to login on the computer screen, Privacy Security Protection
Protection security system concept. Man working on laptop with access denied text on screen.
Cyber safety concept, locked chain on laptop computer keyboard
Computer security vector illustration, flat cartoon design desktop pc with closed lock, concept of firewall protection, privacy access, private data, safety service or system
wire for the Internet is locked in a lock, the concept of open access to the Internet
Laptop with shield on a screen. Safety concept. Vector illustration.
Secure Ystem. Vector modern line design illustration icon
Chain and lock on computer screen, security for system concept on digital background, flat design
locked computer safe from virus or malware attack
Close-up of laptop with a chain over it
Document secure confidential online access on computer laptop isolated or internet web privacy protection on text file flat icon, concept of private secret website data lock modern symbol image
Lock on laptop screen. Low poly wireframe vector illustration. Digital data protect or secure concept. Starry sky consisting of points, lines and shapes on dark background. Polygonal notebook and lock
Computer security concept
Lock for protection of the network in the hands of a businessman on a blurred background.
Selective focus on metal lock on keyboard password internet online data privacy information protection security concept in dark tone low key
Security Privacy Protection Concept
Internet Security.  Laptop and safe lock. 3d
Laptop with lock and chain. Data security concept.. 3d illustration
Internet security concept  icon. Identification and protection simbol.
3d illustration of laptop computer locked by key, isolated over white
Locker icon, vector padlock symbol. Key lock illustration privacy and password icon. Safety and security protection with locked secure mechanism locking system illustration isolated on background
3d illustration computer security. laptop locked with chains and padlock
Computer locked with chains and padlock
Cyber security. Data protection. Information privacy. Padlock icon on virtual screen.
security lock on a computer keyboard - computer security concept
Internet security online business concept pointing security services
Cyber safety concept, locked and key on laptop computer keyboard ,key to unlock before green background.Key and Lock on Thai's keybroad ./golden lock on notebook ,thai keybroad
Lock on computer chip - technology security concept
Online data protection shield and abstract with computer technology
hand hold key to open padlock with chain lock on computer - computer security concept - selective focus
Business workplace with office stuff and tablet with padlock icon on screen
Business workplace with office stuff and tablet with padlock icon on screen
Flat design website banner of internet security, information security, data protection, cloud computing.
Heavy chain with a padlock around a laptop isolated on white background
Simple Set of Security Related Vector Line Icons. 
Contains such Icons as Finger Print, Electronic key, Spy, Password, Alarm and more. 
Editable Stroke. 48x48 Pixel Perfect.
lock

Full collection of icons like that is in my portfolio
Computer Key Lock Button Isolated on White Background.
professional business woman is working and using keyboard typing processed company online information security defense hacked with back view photo.
3d illustration of laptop computer locked
security lock on black computer keyboard - computer security concept
Cyber Security Lock on Digital Screen Data Protection Business Technology Privacy concept
security lock on computer circuit board - computer security concept
Cute Doodle on the theme of the office. Castle. Hand-drawn vector illustration.
Data Protect. Lock on computer monitor screen. Vector low poly wireframe in the form of starry sky or space, consisting of points, lines, and shapes in the form of stars with destruct shapes.
Abstract security digital technology background. Illustration Vector
Cyber security concept with manager providing authentication credentials (login, password) to business person to access confidential data on computer screen
Computer security or safety concept. Laptop keyboard with lock and chain. 3d

Search for "computer lock" in these categories

Concept is data security Access .Shield on Computer Desktop or laptop  protect sensitive data. Internet security. Vector design
Internet security isometric concept.Traffic Encryption, VPN, Privacy Protection Antivirus hack.flat 3d isometry
Business, technology, internet and networking concept. Young businessman working on his laptop in the office, select the icon  security on the virtual display.
Registration page on laptop screen. Notebook and online login form, sign in page. User profile, access to account concepts. Modern flat design graphic elements. Long shadow design. Vector illustration
Laptop screen displaying a cyber security concept
padlock and different gadgets on the wooden office table. privacy protection, encrypted connection concept, buying online
Business workplace with office stuff and laptop with padlock icons on screen
Flat style banners set. Security concept with lock and chain around laptop. Search engine concept with a magnifying glass and a laptop. eps10
Business, technology, internet and networking concept. Young businessman working on his laptop in the office, select the icon security on the virtual display.
Cyber safety concept - lock on computer keyboard
graphic symbol of a lock on a computer circuit board - computer security system
Cyber safety concept, locked and key on laptop computer keyboard ,key to unlock before green background.Key and Lock on Thai's keybroad ./golden lock on notebook ,thai keybroad
Digital crime by an anonymous hacker
Business, technology, internet and networking concept. Young businesswoman working on his laptop in the office, select the icon security on the virtual display.
Computer security, locked computer
Data protection, internet security concept infographic. Network secure. Vector shield lock, laptop computer screen isolated on blue. Padlock login password. Flat design template for website mobile app
Security Concept with Computer Locked with Chains and Padlock Isolated. 3d Illustration
Database security software development. ID theft, hacking crime, computer malware. Data protection, information privacy, data stealing metaphors. Vector isolated concept metaphor illustrations
Lock vector icon
Laptop with brick wall, lock and chain. Firewall and Security concept. 3d illutration.
Man putting esignature into legal document. Digital signature concept. Businessman signing an agreement or contract online. Colorful vector illustration in flat cartoon style
security lock on computer circuit board - computer security concept
data protection and internet security concept, user typing login and password on computer, secured access
Security and protection line icons. Cyber web safety and privacy icon set with editable stroke
2d illustration of Cloud computing, Cloud Computing Concept, Cloud computing technology internet concept background
Document secure confidential online access on computer laptop or internet web privacy protection on text file vector flat cartoon, concept of private secret website data lock modern design colorful
Petya ransomware attack on notebook screen,cyber attack internet security concept
Personal data protection lock and security
Business man works in a public network with protected information.
Cyber security icon design, hand drawn vector of computer lock
Computer protection vector line icons. Cybersecurity, computer security concepts. Simple outline symbols, modern linear graphic elements collection. Line icons set
3d illustration of laptop computer locked with chains and padlock
Computer security concept. Locked padlock on laptop keyboard. Symbol of safe. Toned soft focus picture.
clse up glass global and log in wooden block text on computer, e-commerce and shopping online business technology, stay and work from home, world password day concept
Padlock With Keyhole icon in personal data security Illustrates cyber data or information privacy idea. blue color abstract hi speed internet technology.
Press enter button on the keyboard computer Shield cyber Key lock security system abstract technology world digital link cyber security on hi tech Dark blue background, lock finger Keyboard
Double exposure of desktop with computer and lock icon hologram. Concept of data safety.
Keys and Locks. Set of outline vector icons. Includes such as Car Keys, Fingerprint and other. Editable Stroke. 48x48 Pixel Perfect.
Security concept shot for the digital age.
man login Password Security Login Password Security Sign
Vector internet security icon
Simplus series icon set. Network and mobile devices. Network connections
Lock with magnifying glass on the computer keyboard. The concept of security of search engines. Search and protect your computer from viruses and cyber attacks.
Cybersecurity of network of connected devices and personal data security, concept on virtual interface with consultant in background
Flat design business concept key Security data for website and promotion banners and computer, Vector illustrator
Selective focus on metal lock on the keyboard
Password login on computer screen, Unlock laptop, cyber lock internet security concept. Office business wood desk background.
Lock with magnifying glass on the computer keyboard. The concept of security of search engines. Search and protect your computer from viruses and cyber attacks.
Laptop with Banned sign on red screen and chain with lock on website page template - flat vector illustration of blocked computer device with restricted access to information.
lock icon
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