Are Home Cameras and Smart Door Locks Safe? How to Check Smart Home Security
Collection Security 2026.07.25

Are Home Cameras and Smart Door Locks Safe? How to Check Smart Home Security

Checking Smart Devices by Verifying Account, Shared Users, Updates, and Remote Access

Home cameras, smart door locks, speakers, and lighting offer the convenience of checking and controlling your home from outside. On the flip side, if accounts or sharing permissions are poorly managed, information like videos, daily routines, and entry details may be unnecessarily exposed. Instead of simply turning off devices, it's more effective to first check who is accessing them and with which accounts.

The checklist includes multi-factor authentication for the manufacturer's account, a list of shared users, connected devices, firmware and app updates, and remote access capabilities. If there has been a move, job change, or changes in family structure, check if previously invited users still remain. Additionally, verify the recording storage location and retention period for home cameras, as well as the use of microphones.

Avoid using the initial password as is; change it to something that does not overlap with other sites. If possible, connect smart home devices to a guest network or an Internet of Things (IoT) network that is separate from the main PC used most frequently.

This list is about how owners can organize their access permissions, not about bypassing the lock of a specific device or viewing any video footage. Do not reset communal equipment or rented housing without the permission of the managing entity. Reassess whether to continue using devices that no longer receive updates due to the end of manufacturer support in sensitive areas.

Smart Home Account Multi-Factor Authentication

Multi-Factor Authentication for Smart Home Accounts

Multi-Factor Authentication for Smart Home Accounts is an official checklist item used to set up additional authentication for the manufacturer's account to protect remote access. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

When initially setting up or sharing home cameras and door locks, first check compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Do not share authentication codes with contacts impersonating installation technicians or family members. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Ring 주요 용도 제조사 계정에 추가 인증을 설정해 원격 접근을 보호 확인 시점 홈캠·도어록을 처음 설치하거나 공유할 때 분류 계정 보호 주의사항 인증번호를 설치 기사나 가족을 사칭한 연락에 전달하지 않는다.

Shared User List Organization

Organizing the Shared User List

Organizing the Shared User List is an official checklist item used to review access permissions for family members, guests, and installation companies. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

Implement this check when moving, when family members change, or when sharing is no longer needed, and first examine compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Identify the difference between administrator and general user permissions, and grant only the minimum necessary. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Google Nest 주요 용도 가족·손님·설치업체의 기기 접근 권한을 재검토 확인 시점 이사하거나 구성원이 바뀌고 공유가 끝났을 때 분류 접근 권한 주의사항 관리자와 일반 사용자의 권한 차이를 확인하고 최소 범위만 부여한다.

Home Camera Recording Settings Review

Checking Home Camera Recording Settings

Checking Home Camera Recording Settings is an official checklist item used to verify recording storage location, retention period, and deletion options. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

When starting a new subscription or relocating the camera, first check compatibility with current devices and accounts, as well as backup and recovery methods. The menu and features provided may vary based on version and subscription plan, so rely on the latest official guidance.

Exclude sensitive areas from the recording range and select only the necessary retention period. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Google Nest 주요 용도 녹화 저장 위치·기록 기간·삭제 옵션을 확인 확인 시점 새 구독을 시작하거나 카메라 위치를 바꿀 때 분류 영상 개인정보 주의사항 민감한 공간은 촬영 범위에서 제외하고 필요한 보관 기간만 선택한다.

SmartThings Device and Account Management

Managing SmartThings Devices and Accounts

Managing SmartThings Devices and Accounts is an official checklist item used to check smart devices and services connected to a Samsung account. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

When using Galaxy and SmartThings hubs together, first verify compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Remove unused connected services and previous devices from your account. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Samsung Electronics 주요 용도 Samsung 계정과 연결된 스마트 기기·서비스를 점검 확인 시점 Galaxy와 SmartThings 허브를 함께 사용할 때 분류 스마트홈 플랫폼 주의사항 사용하지 않는 연결 서비스와 이전 기기를 계정에서 제거한다.

Apple Home Access Management

Managing Apple Home Access Permissions

Managing Apple Home Access Permissions is an official checklist item used to verify inviting members and remote access permissions in the Home app. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

When sharing Apple Home with family or changing invitations, first check compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Accurately verify the Apple accounts of those you invite and revoke unnecessary access. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Apple 주요 용도 홈 앱의 구성원 초대와 원격 접근 권한을 확인 확인 시점 Apple Home을 가족과 공유하거나 초대를 변경할 때 분류 스마트홈 공유 주의사항 초대 대상의 Apple 계정을 정확히 확인하고 필요 없는 접근을 회수한다.

Smart Device Software Update

Smart Device Software Updates

Smart Device Software Updates is an official checklist item used to verify the security update status of cameras, hubs, and door locks. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

Implement this check when given a manufacturer notice or when a long period has passed without updates, and first check compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Ensure stable power and network conditions and do not install unofficial firmware. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Google Nest 주요 용도 카메라·허브·도어록의 보안 업데이트 상태를 확인 확인 시점 제조사 공지가 있거나 장기간 업데이트하지 않았을 때 분류 펌웨어 주의사항 전원과 네트워크를 안정적으로 유지하고 비공식 펌웨어를 설치하지 않는다.

Smart Home Dedicated Network Review

Reviewing the Smart Home Dedicated Network

Reviewing the Smart Home Dedicated Network is an official checklist item used to logically separate IoT devices from the primary computer. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

When there are many home cameras and sensors and the router supports guest networks, verify compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Check communication conditions between the router and hub as automation features may be disrupted. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 CISA 주요 용도 IoT 기기를 주 사용 컴퓨터와 논리적으로 분리 확인 시점 홈캠과 센서가 많고 공유기가 게스트망을 지원할 때 분류 네트워크 분리 주의사항 자동화 기능이 끊길 수 있으므로 공유기와 허브의 통신 조건을 확인한다.

Smart Device Initialization and Ownership Release

Resetting Smart Devices and Releasing Ownership

Resetting Smart Devices and Releasing Ownership is an official checklist item used to remove devices from your account and perform an official reset before selling or transferring them. To avoid unofficial apps and sales pages with similar names, verify the managing entity and official domain.

Before passing home cameras, door locks, or hubs to someone else, first check compatibility with current devices and accounts, as well as backup and recovery methods. The menu and available features may vary based on version and subscription plan, so rely on the latest official guidance.

Do not reset communal equipment or rented devices without instructions from the managing entity. This item applies only to devices you own or for which you have explicitly received management rights, and should not be used to test someone else's account, device, or network.

운영 주체 Google Nest 주요 용도 판매·양도 전 기기를 계정에서 제거하고 공식 초기화 확인 시점 홈캠·도어록·허브를 다른 사람에게 넘기기 전에 분류 기기 처분 주의사항 공동주택 설비나 임대 장비는 관리 주체의 지시 없이 초기화하지 않는다.

In smart home security, the first thing to check is not the devices themselves, but the accounts and sharing relationships. Even if you change your password, if family sharing, installer accounts, or old mobile phone sessions remain, access can continue. Distinguish between admin, family, and guest permissions, delete any users that are no longer needed, and then enable login notifications.

Position home cameras away from bedrooms or areas where documents or screens can be viewed, and consider using a lens cover or physical power cutoff when not in use. Check whether recordings are stored in the cloud or on local storage, and review the retention policy after deletion. Use features like voice recording and facial recognition only when necessary.

Updates should be checked not only for apps but also for the entire system connected, including hubs, cameras, door locks, and routers. If automatic updates are supported, confirm the settings; for devices that have received an end-of-support announcement, consider replacement or network isolation. When passing on device ownership, remove them from your account and follow the manufacturer’s reset process.

Finally, let's organize the list of devices and management accounts so that the family can respond together. When notifications of unfamiliar logins or movements appear, deciding who will check and what screens to preserve can reduce confusion.

한눈에 보기 8개
Smart Home Account Multi-Factor Authentication
Ring · 제조사 계정에 추가 인증을 설정해 원격 접근을 보호 · 홈캠·도어록을 처음 설치하거나 공유할 때 · 계정 보호 · 인증번호를 설치 기사나 가족을 사칭한 연락에 전달하지 않는다.
Shared User List Organization
Google Nest · 가족·손님·설치업체의 기기 접근 권한을 재검토 · 이사하거나 구성원이 바뀌고 공유가 끝났을 때 · 접근 권한 · 관리자와 일반 사용자의 권한 차이를 확인하고 최소 범위만 부여한다.
Home Camera Recording Settings Review
Google Nest · 녹화 저장 위치·기록 기간·삭제 옵션을 확인 · 새 구독을 시작하거나 카메라 위치를 바꿀 때 · 영상 개인정보 · 민감한 공간은 촬영 범위에서 제외하고 필요한 보관 기간만 선택한다.
SmartThings Device and Account Management
Samsung Electronics · Samsung 계정과 연결된 스마트 기기·서비스를 점검 · Galaxy와 SmartThings 허브를 함께 사용할 때 · 스마트홈 플랫폼 · 사용하지 않는 연결 서비스와 이전 기기를 계정에서 제거한다.
Apple Home Access Management
Apple · 홈 앱의 구성원 초대와 원격 접근 권한을 확인 · Apple Home을 가족과 공유하거나 초대를 변경할 때 · 스마트홈 공유 · 초대 대상의 Apple 계정을 정확히 확인하고 필요 없는 접근을 회수한다.
Smart Device Software Update
Google Nest · 카메라·허브·도어록의 보안 업데이트 상태를 확인 · 제조사 공지가 있거나 장기간 업데이트하지 않았을 때 · 펌웨어 · 전원과 네트워크를 안정적으로 유지하고 비공식 펌웨어를 설치하지 않는다.
Smart Home Dedicated Network Review
CISA · IoT 기기를 주 사용 컴퓨터와 논리적으로 분리 · 홈캠과 센서가 많고 공유기가 게스트망을 지원할 때 · 네트워크 분리 · 자동화 기능이 끊길 수 있으므로 공유기와 허브의 통신 조건을 확인한다.
Smart Device Initialization and Ownership Release
Google Nest · 판매·양도 전 기기를 계정에서 제거하고 공식 초기화 · 홈캠·도어록·허브를 다른 사람에게 넘기기 전에 · 기기 처분 · 공동주택 설비나 임대 장비는 관리 주체의 지시 없이 초기화하지 않는다.

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