Malwarebytes - Mobile Security
8.9 47K+
v5.27.0+564 by Malwarebytes
編輯評論
Malwarebytes is an antivirus software designed for Windows PCs, Android Tablets, and Chromebooks with Play Store.關於 Malwarebytes
Malwarebytes（包名：org.malwarebytes.antimalware）開發者是Malwarebytes，Malwarebytes的最新版本5.27.0+564更新時間為2026年07月31日。Malwarebytes - Mobile Security的分類是工具，包含如下標籤：Ad-free。您可以查看Malwarebytes - Mobile Security的開發者下的所有應用並找到Malwarebytes - Mobile Security在安卓上的200個相似應用。目前這個應用免費。該應用可以從APKFab或Google Play下載到Android 9.0+。APKFab.com的所有APK/XAPK文檔都是原始文檔並且100%安全下載的資源。
Malwarebytes 提供一體化的行動安全性和強大的數位保護，抵禦惡意軟體、網路詐騙、身分盜竊、勒索軟體等威脅。 Malwarebytes 將主動裝置安全防護與強大的防毒防禦相結合，確保您的 Android 裝置快速、安全且運作最佳化。
從銀行帳戶、保險、照片到重要文件，您的手機承載著您最私密的個人資訊。我們確保這些資訊不會落入不法分子之手。
Malwarebytes 專為所有人設計：專業人士、家庭用戶，甚至是智慧型手機新手。無需複雜的設置，無需任何 IT 專業知識。只需輕鬆、聰明地進行保護、清除和垃圾清理即可。您的手機承載著您所有的數位生活。使用 Malwarebytes 保護它。
🛡️即時惡意軟體防護與清除
惡意軟體和安全威脅不斷演變。從木馬病毒到間諜軟體，再到鎖定您檔案的勒索軟體，這些網路威脅層出不窮。如果未能及時發現，它們可能會竊取密碼、存取銀行帳戶，甚至盜用您的所有身分資訊。
Malwarebytes 透過以下方式封鎖並清除這些威脅：
- 自動應用程式和檔案掃描：新應用程式和下載會在執行前檢查是否有惡意程式碼。
- 零時差威脅防護：偵測其他防毒軟體無法偵測到的全新惡意軟體變種。
- 勒索軟體防護：阻止檔案加密攻擊，防止裝置被鎖定，是您的第一道防線。
🔐身份盜竊防護和暗網監控
每年都有數百萬筆記錄在資料外洩事件中洩露，您的電子郵件、密碼和個人資料可能已經出現在暗網上。
Malwarebytes 透過以下方式協助您防患於未然：
- 數位足跡掃描器：掃描暗網資料庫，尋找洩漏的電子郵件、密碼和其他敏感資料。
- 即時洩漏警報：當您的資訊出現在新的外洩事件中時，您將收到通知，並被告知如何保護帳戶。
- 身分盜竊防護：提供全天候監控、線上客服支援以及高達 200 萬美元的身份盜竊保險。
🌐安全 VPN，保障隱私瀏覽
隱身窗口的功能終究有限。無論您身在何處，公共 Wi-Fi 都可能成為駭客竊取資料、追蹤您一舉一動的可乘之機。
Malwarebytes VPN 透過以下方式保護您的隱私：
- 公共 Wi-Fi 安全瀏覽：隱藏您的 IP 位址，防止被追蹤。
- 第三方審核的零日誌政策：我們不會追蹤、儲存或出售您的瀏覽資料。
- 採用 WireGuard 的 AES-256 加密：覆蓋 62 多個國家的閃電般快速安全防護。
📵AI 智慧防詐騙
收到從未訂購的包裹簡訊？從未參加過的比賽中獎通知？網路詐騙手法日益高明，甚至會冒充知名品牌。
Malwarebytes Scam Guard 可偵測以下威脅：
- 釣魚資訊：虛假送貨提醒、銀行詐騙等。
- 惡意連結：即時掃描簡訊、電子郵件和即時通訊應用程式中的 URL。
- 不斷演變的詐騙手段：品牌冒充、人工智慧產生的詐騙、社交工程攻擊和惡意軟體威脅。
🧹設備優化
我們讓您的手機運作快速、乾淨、流暢。 Malwarebytes 可最佳化以下方面：
- 智慧垃圾清理器：清理垃圾檔案和其他不必要的檔案。
- 儲存空間分析器：查看哪些檔案佔用空間以及哪些檔案可以安全刪除。
- 一鍵清理：幾秒鐘內釋放空間。告別數位垃圾！
⚡簡單而強大的保護
高級行動安全並不意味著雜亂無章。
- 簡潔的控制面板：安全狀況一目了然，彩色指示器清晰呈現
- 輕量級效能：即使在較舊的安卓裝置上，耗電量也極低
- 設定後即可安心使用：掃描在背景進行
數百萬用戶信賴 Malwarebytes 的原因
✓ 一體化行動安全防護
✓ 主動式設備安全防護
✓ AI 驅動的防毒保護
✓ 每日攔截 400 萬次威脅
✓ 我們絕不出售您的數據
免費試用 7 天進階功能，享有全天候保護
此應用程式需要安卓 9 以上版本，並使用 AccessibilityService API 透過監控螢幕活動來偵測和防禦惡意應用程式和詐騙，確保更安全的裝置互動。
從銀行帳戶、保險、照片到重要文件，您的手機承載著您最私密的個人資訊。我們確保這些資訊不會落入不法分子之手。
Malwarebytes 專為所有人設計：專業人士、家庭用戶，甚至是智慧型手機新手。無需複雜的設置，無需任何 IT 專業知識。只需輕鬆、聰明地進行保護、清除和垃圾清理即可。您的手機承載著您所有的數位生活。使用 Malwarebytes 保護它。
🛡️即時惡意軟體防護與清除
惡意軟體和安全威脅不斷演變。從木馬病毒到間諜軟體，再到鎖定您檔案的勒索軟體，這些網路威脅層出不窮。如果未能及時發現，它們可能會竊取密碼、存取銀行帳戶，甚至盜用您的所有身分資訊。
Malwarebytes 透過以下方式封鎖並清除這些威脅：
- 自動應用程式和檔案掃描：新應用程式和下載會在執行前檢查是否有惡意程式碼。
- 零時差威脅防護：偵測其他防毒軟體無法偵測到的全新惡意軟體變種。
- 勒索軟體防護：阻止檔案加密攻擊，防止裝置被鎖定，是您的第一道防線。
🔐身份盜竊防護和暗網監控
每年都有數百萬筆記錄在資料外洩事件中洩露，您的電子郵件、密碼和個人資料可能已經出現在暗網上。
Malwarebytes 透過以下方式協助您防患於未然：
- 數位足跡掃描器：掃描暗網資料庫，尋找洩漏的電子郵件、密碼和其他敏感資料。
- 即時洩漏警報：當您的資訊出現在新的外洩事件中時，您將收到通知，並被告知如何保護帳戶。
- 身分盜竊防護：提供全天候監控、線上客服支援以及高達 200 萬美元的身份盜竊保險。
🌐安全 VPN，保障隱私瀏覽
隱身窗口的功能終究有限。無論您身在何處，公共 Wi-Fi 都可能成為駭客竊取資料、追蹤您一舉一動的可乘之機。
Malwarebytes VPN 透過以下方式保護您的隱私：
- 公共 Wi-Fi 安全瀏覽：隱藏您的 IP 位址，防止被追蹤。
- 第三方審核的零日誌政策：我們不會追蹤、儲存或出售您的瀏覽資料。
- 採用 WireGuard 的 AES-256 加密：覆蓋 62 多個國家的閃電般快速安全防護。
📵AI 智慧防詐騙
收到從未訂購的包裹簡訊？從未參加過的比賽中獎通知？網路詐騙手法日益高明，甚至會冒充知名品牌。
Malwarebytes Scam Guard 可偵測以下威脅：
- 釣魚資訊：虛假送貨提醒、銀行詐騙等。
- 惡意連結：即時掃描簡訊、電子郵件和即時通訊應用程式中的 URL。
- 不斷演變的詐騙手段：品牌冒充、人工智慧產生的詐騙、社交工程攻擊和惡意軟體威脅。
🧹設備優化
我們讓您的手機運作快速、乾淨、流暢。 Malwarebytes 可最佳化以下方面：
- 智慧垃圾清理器：清理垃圾檔案和其他不必要的檔案。
- 儲存空間分析器：查看哪些檔案佔用空間以及哪些檔案可以安全刪除。
- 一鍵清理：幾秒鐘內釋放空間。告別數位垃圾！
⚡簡單而強大的保護
高級行動安全並不意味著雜亂無章。
- 簡潔的控制面板：安全狀況一目了然，彩色指示器清晰呈現
- 輕量級效能：即使在較舊的安卓裝置上，耗電量也極低
- 設定後即可安心使用：掃描在背景進行
數百萬用戶信賴 Malwarebytes 的原因
✓ 一體化行動安全防護
✓ 主動式設備安全防護
✓ AI 驅動的防毒保護
✓ 每日攔截 400 萬次威脅
✓ 我們絕不出售您的數據
免費試用 7 天進階功能，享有全天候保護
此應用程式需要安卓 9 以上版本，並使用 AccessibilityService API 透過監控螢幕活動來偵測和防禦惡意應用程式和詐騙，確保更安全的裝置互動。
Malwarebytes 5.27.0+564 更新
Scammers are getting better at looking legit. So we got better at spotting them.Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
查看更多
歷史版本
更多
Variant
Arch
Version
DPI
52700564
2026年08月06日
Malwarebytes - Mobile Security
5.27.0+564
(52700564)
Requires Android: Android 9.0+
Architecture: arm64-v8a, armeabi-v7a, x86, x86_64
Screen DPI: 160-240dpi
SHA1: 227eb372f619e07550167549024b8a9496a9a0b4
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.arm64_v8a, config.armeabi_v7a, config.de, config.en, config.es, config.fi, config.fr, config.hdpi, config.hi, config.in, config.it, config.ja, config.ldpi, config.mdpi, config.ms, config.nl, config.pl, config.pt, config.ru, config.th, config.tvdpi, config.vi, config.x86, config.x86_64, config.xhdpi, config.xxhdpi, config.xxxhdpi, config.zh
Size: 75.29 MB
What's New:
Scammers are getting better at looking legit. So we got better at spotting them.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
arm64-v8a, armeabi-v7a, x86, x86_64
Android 9.0+
160-240dpi
52700564
2026年08月07日
Malwarebytes - Mobile Security
5.27.0+564
(52700564)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: 8199c0329c0e3450936fb248fb6f6df97879da42
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.arm64_v8a, config.en, config.xxhdpi
Size: 46.79 MB
What's New:
Scammers are getting better at looking legit. So we got better at spotting them.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
arm64-v8a
Android 9.0+
160-240dpi
52700564
2026年08月07日
Malwarebytes - Mobile Security
5.27.0+564
(52700564)
Requires Android: Android 9.0+
Architecture: armeabi-v7a
Screen DPI: 160-240dpi
SHA1: 26ec55352abcd16d8ad0153fdbf414bc28fc8b56
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.mdpi, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 44.36 MB
What's New:
Scammers are getting better at looking legit. So we got better at spotting them.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
armeabi-v7a
Android 9.0+
160-240dpi
Variant
Arch
Version
DPI
52610566
2026年07月30日
Malwarebytes - Mobile Security
5.26.1+566
(52610566)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: daf1a9f1b86a193e9e1f7489b1fc0e6e6333a0d2
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 55.16 MB
What's New:
Scammers are getting better at looking legit. So we got better at spotting them.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
arm64-v8a
Android 9.0+
160-240dpi
52610566
2026年08月01日
Malwarebytes - Mobile Security
5.26.1+566
(52610566)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: 9ff78b531ea0b0c67bfc682cfb05d8fb890b59a0
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.arm64_v8a, config.en, config.hdpi
Size: 52.87 MB
What's New:
Scammers are getting better at looking legit. So we got better at spotting them.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
arm64-v8a
Android 9.0+
160-240dpi
52610566
2026年08月01日
Malwarebytes - Mobile Security
5.26.1+566
(52610566)
Requires Android: Android 9.0+
Architecture: armeabi-v7a
Screen DPI: 160-240dpi
SHA1: 012d5d6dec902d99b104c1ae8b0777bc3b8eceec
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.mdpi, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 50.93 MB
What's New:
Scammers are getting better at looking legit. So we got better at spotting them.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
Our upgraded Text Protection and Scam Guard engines now use smarter AI-powered detection to catch scams in real time - faster, sharper, and better than ever before.
Happy with Malwarebytes? A rating and review helps more than you'd think.
armeabi-v7a
Android 9.0+
160-240dpi
Variant
Arch
Version
DPI
52500560
2026年07月09日
Malwarebytes - Mobile Security
5.25.0+560
(52500560)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: 7f0509a649de3c453039912c2e0a4297d50fcfa3
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 57.95 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
arm64-v8a
Android 9.0+
160-240dpi
52500560
2026年07月10日
Malwarebytes - Mobile Security
5.25.0+560
(52500560)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: 6cb23093bb1364171fccd5ffe8e001dbcf5a2f6d
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.arm64_v8a, config.en, config.xxhdpi
Size: 56.07 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
arm64-v8a
Android 9.0+
160-240dpi
52500560
2026年07月10日
Malwarebytes - Mobile Security
5.25.0+560
(52500560)
Requires Android: Android 9.0+
Architecture: armeabi-v7a
Screen DPI: 160-240dpi
SHA1: 84c4bd2ec215848b48a2cbfecf082c18b711e1d9
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.mdpi, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 52.69 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
armeabi-v7a
Android 9.0+
160-240dpi
Variant
Arch
Version
DPI
52400558
2026年06月29日
Malwarebytes - Mobile Security
5.24.0+558
(52400558)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: baf6fbe8a90faf7b496894bbb22a079b0fced213
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.arm64_v8a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.xxhdpi, config.zh
Size: 56.48 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
arm64-v8a
Android 9.0+
160-240dpi
52400558
2026年07月01日
Malwarebytes - Mobile Security
5.24.0+558
(52400558)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: ebfd68848ec5a312b0a1a939940e206923c2389e
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.arm64_v8a, config.en, config.xxhdpi
Size: 54.64 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
arm64-v8a
Android 9.0+
160-240dpi
52400558
2026年07月01日
Malwarebytes - Mobile Security
5.24.0+558
(52400558)
Requires Android: Android 9.0+
Architecture: armeabi-v7a
Screen DPI: 160-240dpi
SHA1: 024921fca30b96ffc1965cedfe00c4a2e55c8ef9
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.ar, config.armeabi_v7a, config.de, config.en, config.es, config.fr, config.hi, config.in, config.it, config.ja, config.ko, config.mdpi, config.my, config.pt, config.ru, config.th, config.tr, config.vi, config.zh
Size: 51.73 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
armeabi-v7a
Android 9.0+
160-240dpi
52400558
2026年07月02日
Malwarebytes - Mobile Security
5.24.0+558
(52400558)
Requires Android: Android 9.0+
Architecture: arm64-v8a
Screen DPI: 160-240dpi
SHA1: 95f905f4a33be901897fab36747ea431519ef28a
Base APK: org.malwarebytes.antimalware.apk
Split APKs: config.arm64_v8a, config.en, config.hdpi
Size: 53.32 MB
What's New:
We redesigned the whole app - and honestly? We're a little obsessed with how it turned out.
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
New look, new vibe, same protection you trust - just way easier on the eyes (and your thumbs). It's like your favorite app just came back from a very productive vacation. Update now. You're welcome.
Enjoying Malwarebytes?
Drop us a rating and review - we really appreciate it
arm64-v8a
Android 9.0+
160-240dpi
更多資訊
更新日期:
2026-07-31
最新版本:
5.27.0+564
請求更新:
Available on:
系統要求:
Android 9.0+
舉報:
安全下載
APKFab.com和該應用的下載連結是100%安全的。APKFab.com上列出的所有應用下載連結均來自Google Play Store或由用戶提交。對於來自Google Play商店的應用，APKFab.com不會對其進行任何形式的修改。對於用戶提交的應用，APKFab.com會在網站上發佈之前驗證其APK簽名的安全性。