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Windows 電腦想裝防護軟體,Bitdefender Internet Security 夠不夠用
你剛買了新電腦,或者覺得舊電腦最近怪怪的,開機變慢、跳出奇怪的視窗、瀏覽器首頁被改掉。你想找一套防護軟體把這些問題擋下來,但又不想裝那種免費版綁一堆廣告、一直叫你升級的軟體。你希望有一套軟體能一次處理病毒、惡意網站、勒索軟體,最好連視訊鏡頭被偷開這種事也能管。
一般人遇到這種狀況,第一個念頭是裝免費防毒,但免費版通常只給基本掃描,防火牆、家長監護、VPN 這些功能不是鎖住就是根本沒有。另一條路是買大廠的旗艦版,可是功能一大堆,很多你一輩子用不到,介面又複雜。你真正需要的是「一套裝好就不用再煩惱」的軟體,該擋的擋掉、該管的管住,設定不要太難找,更新不要一直煩你。
01Bitdefender Internet Security 到底能防哪些東西?
它涵蓋的範圍以官方說明來看,包含即時威脅偵測、雙向防火牆、反釣魚與反詐騙、勒索軟體防護、家長控制、視訊鏡頭與麥克風保護、VPN、密碼管理員、檔案粉碎機和反垃圾郵件。也就是說,從病毒掃描到網路流量過濾,再到小孩上網管理,它都想一次包辦,不是只有掃毒而已。
02它的防火牆跟 Windows 內建的差在哪?
官方說明提到它是雙向防火牆,會過濾網路流量、阻擋未授權的存取。Windows 內建防火牆主要擋外部進來的連線,而這套軟體多了對「應用程式往外連線」的管理,例如某個軟體想偷偷連上網路,它可以攔下來問你。如果你平常會裝一些來路不明的軟體,這種控管會多一層把關。
03它內建的 VPN 是怎麼運作的?
官方資料顯示它包含一個基本 VPN,每天每台裝置有 200MB 的流量額度,用於加密瀏覽、保護隱私。超過額度就要另外訂閱才能繼續用。如果你只是偶爾在公共 Wi-Fi 上收個信、看一下網頁,這個額度勉強夠用;但若要整天掛著 VPN 看影片或下載檔案,它就不是設計來做這件事的。
04家長控制功能實際能做到什麼程度?
根據官方說明,家長可以建立兒童的個人檔案,然後針對他們的線上活動設定限制,例如封鎖特定類型的網站、限制使用時間。它也能監控孩子在網路上的行為。實際的細部選項,例如能不能針對單一 App 設時間限制,官方資料沒有細講,需要安裝後自己確認。
05視訊鏡頭和麥克風保護是怎麼運作的?
這功能是防止未經授權的程式開啟你的攝影機和麥克風偷錄。官方說明指出,它會阻擋這類竊聽行為。實際使用上,當有程式要存取鏡頭或麥克風時,它會跳出通知讓你允許或拒絕。如果你很在意筆電鏡頭被駭客遠端開啟,這功能會比單純貼膠帶更主動。
06這套軟體適合什麼樣的人用?
適合想要「一套搞定」的家庭用戶,尤其是家裡有小孩需要管上網時間和內容、又不想分別裝防毒、防火牆、家長監護等多套軟體的人。它也適合對電腦不太熟、不想研究複雜設定的使用者,因為官方強調介面簡潔、有引導式設定,裝完之後大部分時間放著讓它自動更新就好。
07小辦公室或個人工作室適合用嗎?
官方資料提到它適用於家庭使用者和小型企業。如果你的工作室只有幾台 Windows 電腦,沒有專門的 IT 人員,用它來管基本防護、網路安全和員工上網行為是可行的。但要注意,它的授權是訂閱制,依裝置數和年數計費,裝置越多成本越高,而且管理介面是英文,員工要能看得懂。
08什麼情況下不該選這套軟體?
如果你只想要一套單純的防毒軟體,不需要防火牆、VPN、家長控制這些附加功能,那它有更精簡的選擇,例如同家的 Bitdefender Antivirus Plus,評分人數也更多。另外,它的介面只有英文,看不懂英文選單的人操作起來會很吃力。還有,它是試用版授權,不是買斷,時間到了要續訂才能繼續用。
09它的英文介面會不會造成使用障礙?
會。官方資料明確標示介面語系是 English,沒有提到其他語言。雖然防毒軟體裝好之後大部分時間不會去開它,但當它跳出警告視窗、或是你想調整防火牆規則、設定家長控制時,看不懂英文就無法正確判斷。如果你對英文介面不熟悉,建議先找有中文介面的同類軟體,例如 ESET Smart Security 或 Bitdefender Total Security 再比較看看。
10這套軟體跟 Bitdefender Total Security 有什麼不同?
官方資料沒有直接比較兩者,但從功能列表來看,Internet Security 已經包含防火牆、VPN、家長控制、反垃圾郵件等,而 Total Security 在評分人數上更多(175 人 vs 86 人),通常代表更多人使用。實際功能差異,例如 Total Security 是否多了系統最佳化工具或雲端備份,官方資料沒寫,需要上官網比對規格表。
11它的評分只有 6.48/10,是不是代表不好用?
這個分數來自 86 人的評分,樣本數不算多,參考價值有限。對比同家的 Bitdefender Antivirus Plus 有 206 人評分、ESET Smart Security 有 191 人評分,這套軟體的能見度明顯較低。分數低可能反映部分使用者對某些功能不滿意,但官方資料沒有列出具體缺點,建議你去看實際使用者的文字評論,了解他們抱怨的是什麼。
12這套軟體會讓電腦變慢嗎?
官方 FAQ 說它經過最佳化,資源使用量低,掃描時系統仍能順暢運作。系統需求是 2GB RAM 和 2.5GB 磁碟空間,以現代電腦來說門檻不高。不過實際效能取決於你的硬體等級,如果你是很舊的電腦,建議先裝試用版跑一次全系統掃描,觀察記憶體和 CPU 使用率再決定。
下載與官方連結
前往官方網站 下載 Bitdefender Internet Security (64-bit)
bitdefender_isecurity.exe · 連結指向軟體原廠
版本紀錄
- 2026-10-22 Bitdefender Internet Security 27.0.64.366 20.5 MB
- 2026-10-07 Bitdefender Internet Security 27.0.63.360 20.5 MB
- 2026-09-10 Bitdefender Internet Security 27.0.62.355 20.5 MB
再看 5 筆
- 2026-08-23 Bitdefender Internet Security 27.0.62.352 20.5 MB
- 2026-07-25 Bitdefender Internet Security 27.0.61.344 20.5 MB
- 2022-11-12 Bitdefender Internet Security 2021 Build 26.0.30.102 (64-bit)
- 2022-10-04 Bitdefender Internet Security 2021 Build 26.0.28.94 (64-bit)
- 2022-08-31 Bitdefender Internet Security 2021 Build 26.0.23.80 (64-bit)
這一版改了什麼
What's new in this version:
Bitdefender Internet Security 2018 Build 22.0.15.189 (64-bit)
- Change log not available for this version
Bitdefender Internet Security 2018 Build 22.0.12.161 (64-bit)
This version fixes the following issues:
- Fixed an issue with Active Threat Defense not activating
- Fixed an issue where the product would show "Last Update Never"
- Fixed an issue where the offline weekly updates would not detect Bitdefender 2018
- Fixed an issue where Google would report SafePay is an outdated browser
- Fixed an issue where Custom Scans would not be saved after switching to Aggressive
- Fixed an issue where SafePay couldn't save bank statements(PDF) on hsbc.co.uk
The following improvements were included:
- Wallet's compatibility with several websites
- Several Improvements to the in-product Support Tool
- Several interface improvements
- Various Install Engine optimizations
- Various SafePay optimizations and security improvements
- Several Firewall improvements
- Several Advanced Threat Defense improvements
- Improved compatibility with upcoming Windows release
- Several OneClick Optimizer improvements
Bitdefender Internet Security 2018 Build 22.0.10.141 (64-bit)
This version fixes the following issues:
- Fixed an issue where the Ransomware Protection(Safe Files) causes the TaskBar icons to hide
- Fixed an issue causing the Agent to initialize improperly causing the product to stay into a inactive state
- Fixed an issue causing the product to block internet access after a period of time
- Fixed an issue where the SafePay notification would appear several times for some banks
- Fixed an issue where the Vulnerability Scan would show a blank window for Critical Windows Updates.
- Fixed an issue where the Reset Settings for Bitdefender Shield would not prompt for confirmation
- Fixed an issue where as the Security Report would display extra days in a month
- Fixed an issue where as the text in the GUI would be displayed with a slight delay
- Fixed an issue where the SafePay Virtual Keyboard would enter the text into the address bar by default
- Fixed an issue where the Open With contextual menu would be disabled once the subscription expires
- Fixed an issue where the Widget would reset its position after a reboot
- Fixed a rare issue where the Name/eMail/Device would not be displayed in the Account Info page
- Fixed a rare issue where as SafePay could not perform a login into certain banking websites
- This version fixes the vulnerability FG-VD-17-019 reported by Fortinet’s FortiGuard Labs through responsible disclosure
The following improvements were included:
- Several interface improvements
- USB Immunizer functionality was augmented
- Improved the security of the Install Engine
- Various optimizations to the Install Engine
- Added link to the Bitdefender Uninstall Tool should the Install Engine fail to deploy drivers
- Various optimizations to the Scan Engine
- Various optimizations to the Update Engine
- Various optimizations to the SafePay browser
- Various optimizations to the Firewall - Adapter Engine
- Various optimizations to the Webcam Protection module
- Added Dynamic Adapter type (It will setup itself depending on your Windows Adapter setting : Home/Office type settings for the Private Network and Public for the Public Network)
- Added the ability to copy/paste information from Notifications
- Improvements leading to better compatibility with the next Windows Security Center update
Bitdefender Internet Security 2018 Build 22.0.8.114 (64-bit)
- The new generation of the award-winning line introduces a multi-layer defense against ransomware, the malware outbreak that’s evading many detection filters and encrypting users' documents then demanding ransom to decrypt them. Advanced Threat Defense finds patterns of behavior to detect and block even the newest threats while Real Time Protection instantly stops all known threats. As an additional protection, the new Safe Files feature prevents unauthorized alterations to sensitive files.
- User privacy, a growing concern among users in an era of state-sponsored espionage, mass data theft and the proliferation of hackers, is enhanced in the latest Bitdefender product line, with innovations such as Webcam Protection that prevents webcam spying, fending off snoops, blackmailers and others.
- The new Firewall makes it easy for non tech savvy users to take full advantage of this essential safety feature. Account Privacy for iOS and Android checks if any of your e-mails have been leaked, and may be used in subsequent targeted attacks or for extortion.
Bitdefender Internet Security 2017 Build 21.0.25.92 (64-bit)
- Change log not available for this version
Bitdefender Internet Security 2017 Build 21.0.23.1101 (64-bit)
This version fixes the following issues:
- Fixed a crash caused by the Update module
- Fixed a rare crash caused by SafePay
- Fixed a issue with the Firefox extension signatures
- Fixed a issue causing the Bitdefender window to shift to the right
- Fixed a issue causing the Wallet to prompt for the account on the same browser session
- Fixed a issue where the Agent failed to stop
- Fixed a issue where the Wallet would display empty lists when scrolling down the menu
- Fixed a rare crash causing vsserv to crash
- Fixed a crash caused by SafePay
- Fixed a crash caused by the Agent
- Fixed a issue causing the Agent not to deploy properly
- Fixed a issue where the Custom Scan would not start at the proper time
- Fixed a issue where the email archives would be purged from the Quarantine
- Fixed a rare issue causing the Uninstaller to crash
- Fixed a issue where the Security Report would show the improper period
- Fixed a issue where the product would revert the default language to English after a repair
- Fixed a issue where SafePay would not keep the zoom settings from the previous session
- Fixed a issue causing SafePay to be unable to open PDF files
The following improvements were included:
- The product now complies with the Microsoft DSA requirements
- Several improvements to the install engine
- Improved repair process
- Several improvements to the On-Access engine
- Product interface fixes and improvements
- Improved SafePay's functionality
- Several improvements to the product's self-defense mechanism
- Improved the way the Support Tool gathers Bitdefender related information
- Improvements to the Firewall engine
- Improved Wallet's compatibility with several websites
- Added support for the polish language
- Some improvements to the event engine
- Improved the way the product handles remote tasks (example : system scan from Central)
- Improved the way the product integrates with the Windows start-up process
- Some improvements to the Update engine
Bitdefender Internet Security 2017 Build 21.0.22.1050 (64-bit)
This version fixes the following issues:
- Fixed a issue where the setup window would not show-up properly on high DPI machines
- Fixed a issue where the Trial would not start on a new account
- Fixed a issue where two Uninstall Surveys would open upon removing the product
- Fixed a rare issue where the Switch Account button would not activate on a expired account
- Fixed a rare crash caused by the Widget
- Fixed a rare crash caused by the Agent
- Fixed a issue where Wallet would not function under SafePay
- Fixed a issue where Paranoid Mode would block a connection without notification
- Fixed a issue where events would not be generated under Home/Office
- Fixed a issue where Aero was causing buttons to disappear from the UI
- Fixed a crash caused by the Subscription engine
- Fixed a issue where the OneClick Optimizer would places.sqlite in Firefox
- Fixed a rare issue where the Setup window would relocate randomly
- Fixed a issue where kabelmail.de users would not receive emails with the Anti-Spam enabled
- Fixed a issue where the Paranoid option would be available after disabling AVC
- Fixed a issue where the Setup engine could not create install folders
- Fixed a rare crash caused by the Notification Engine
- Fixed a issue where the Update frequency slider would revert to the default setting
- Fixed a rare crash caused by the Proxy handler
- Fixed a rare issue where the task for the Agent couldn't be created
- Fixed a issue where Wallet wouldn't autofill on Amazon and eBay
- Fixed a rare crash caused by the Settings handler
- Fixed a issue where the Security Report would show 0 files in the Vault
- Fixed a issue where the Vulnerability Scan would show the incorrect size of Windows Updates
- Fixed a rare crash caused by Bitdefender's Photon
- Fixed a issue where SafePay would randomly freeze on Surface Pro 3 devices
- Fixed a rare issue where the Widget would still show the animation for the Vulnerability Scan even after it has been completed
- Fixed a issue where the main interface would open after a delay when accessed from the system tray icon
- Fixed a issue where you the option to shutdown the machine after the scan would not be available
The following improvements were included:
- Product interface fixes and improvements
- Several improvements to the Install Engine
- Various improvements to the registration logic
- Various improvements to the way the product reports errors
- Various improvements to the Firewall Module
- SafePay performance improvements
- Enhanced the way the product uninstalls itself from the system
- Improvements to the product's self-protect function
- Moved the Delete button from Wallet edit mode in view mode
- Wallet now displays the name of the wallet when asking for the password
- Improved Wallet's compatibility with several websites
- Added the option to enable Domain discovery (printer and shares) when the Adapter is set as Home/Office
- Improved the way Bitdefender scans emails through SSL/TLS/STARTTLS
Bitdefender Internet Security 2017 Build 21.0.22.1011 (64-bit)
This version fixes the following issues:
- Fixed a issue where the "Prompt before download" window would not show
- Fixed a crash caused by Traffic Light
- Fixed a crash caused by the On-Access engine
- Fixed a error where Disk Cleanup would just stop
- Fixed a issue where the Optimizer would not start
- Fixed a rare crash caused by the Wallet
- Fixed a rare crash caused by some wireless adapters
- Fixed a rare crash caused by some Nvidia drivers
- Fixed a rare crash caused by Windows Crypto API
- Fixed a crash caused by Wi-Fi advisor when system locale is set to any Asian language
- Fixed a issue where the Home Wi-Fi would show as untrusted
- Fixed a display issue where the pie chart for the Startup Optimizer would be completely grey
- Fixed a issue where all blocked applications would gain internet access after a Agent crash
- Fixed a memory leak in Snap Photo
- Fixed a issue where a scheduled scan would not run at the proper time
- Fixed a issue where the Events(Notifications) would not ask for the Settings password and allow access
- Fixed a issue where the number of days to delete content in the Quarantine woudl revert to the default number
- Fixed a issue where the Eicar test files were not counted in the Live Stats
- Fixed a issue where the title of the product is Total Security instead of the current installed product (AntiVirus / Internet Security)
- Fixed a issue where the Ransomware Protection Event is deleted under certain situations
- Fixed a issue where the "Remind me later" notification would pop-up continuously
The following improvements were included:
- Product interface fixes and improvements
- Various improvements for the install engine
- Improved the way competitive products are being removed
- Various security and functionality improvements for SafePay
- Various improvements and compatibility fixes for the Wallet
- Desktop/Music/Videos are now added as default protected zones under the Ransomware Protection
- Improved the way notifications are handled
- Improved the way trial subscriptions are being handled
- Added the possibility to remove Wi-Fi profiles
- Improved the functionality of the Wi-fi Advisor
Bitdefender Internet Security 2017 Build 21.0.21.967 (64-bit)
- Change log not available for this version