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11.11 最強折扣反應熱烈!
優惠延長一週!最後倒數,立即行動!
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11.11 最強折扣反應熱烈!
優惠延長一週!最後倒數,立即行動!
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什麼是網絡安全?

網絡安全是指為保護計算機網絡免遭未經授權的訪問、濫用、修改或破壞而採取的措施。它包括硬件和軟件技術以及旨在保護網絡上存儲或傳輸的信息的機密性、完整性和可用性的策略和程序。

為什麼網絡安全很重要?

網絡安全非常重要,因為它有助於防止未經授權訪問敏感信息,例如個人數據或財務信息。它還有助於防止可能對計算機系統和網絡造成損害的病毒、惡意軟件和勒索軟件等網絡攻擊。

如何提高網絡安全?

您可以採取多種措施來提高網絡安全性,包括實施強密碼和雙因素身份驗證、使用最新的補丁和更新保持您的軟件處於最新狀態、使用防病毒軟件和防火牆、根據需要限制對敏感數據的訪問-了解基礎,並對員工進行安全在線行為教育。

網絡攻擊有哪些常見類型?

一些常見的網絡攻擊類型包括網絡釣魚詐騙(攻擊者試圖誘騙用戶洩露敏感信息)、惡意軟件感染(惡意軟件在用戶不知情的情況下安裝在系統上)、拒絕服務攻擊(攻擊者大量攻擊)一個有流量的系統,以使其不堪重負),以及勒索軟件攻擊(攻擊者對受害者計算機上的文件進行加密,並要求付款以換取解密密鑰)。

如何保護自己免受網絡釣魚詐騙?

為了保護自己免受網絡釣魚詐騙,請警惕索要個人信息或登錄憑據的未經請求的電子郵件或短信。尋找欺詐跡象,例如拼寫錯誤的單詞或可疑鏈接。在點擊任何鏈接或下載任何附件之前,請務必驗證發件人的身份。

什麼是多重身份驗證?

多重身份驗證 (MFA) 是附加的安全層,要求用戶提供多種形式的身份驗證才能訪問系統或應用程序。這可能包括您知道的東西(如密碼)、您擁有的東西(如物理令牌)或您的東西(如生物識別數據)。

為什麼需要防病毒軟件?

防病毒軟件有助於保護您的計算機免受病毒、惡意軟件、間諜軟件和其他形式的惡意軟件的侵害,這些軟件可能會造成損害或竊取您的個人信息。它會在文件感染您的系統之前掃描文件是否存在潛在威脅。

什麼是防火牆?

防火牆是一種網絡安全系統,它根據預定的安全規則監視和控制傳入和傳出的網絡流量。它充當內部網絡與互聯網或其他不可信網絡之間的屏障,

防火牆如何工作?

防火牆通過監控傳入流量是否存在可疑活動跡象,充當計算機網絡和互聯網之間的屏障。它們阻止來自已知惡意IP 地址的流量,同時允許合法流量通過。它們過濾掉潛在危險的流量,同時允許合法流量通過。

使用公共 Wi-Fi 網絡安全嗎?

使用公共 Wi-Fi 網絡可能存在風險,因為它們通常缺乏適當的加密協議,這使得它們容易成為黑客的目標,以攔截這些網絡上連接的設備之間的通信。為了在使用公共 Wi-Fi 網絡時保持安全,請始終使用 VPN 服務,對通過 Wi-Fi 連接的設備之間的所有通信進行加密。

如果我的電腦被黑客入侵了,我該怎麼辦?

如果您懷疑您的計算機已被黑客入侵,請立即拔下以太網電纜或關閉其 Wi-Fi 連接(如果是無線連接),以斷開其與互聯網的連接。斷開互聯網連接後立即運行防病毒掃描,然後更改用於訪問在線帳戶(包括與受損設備關聯的電子郵件帳戶)的所有與密碼相關的登錄憑據。

對稱加密和非對稱加密有什麼區別?

對稱加密使用相同的密鑰來加密和解密數據,而非對稱加密使用一對密鑰(一個公鑰和一個私鑰)來保護通信。公鑰可以自由共享,但私鑰必須保密。

什麼是VPN?

虛擬專用網絡 (VPN) 是通過互聯網在兩個或多個設備之間建立的安全連接。它創建一個加密隧道,在數據從一台設備傳輸到另一台設備時保護數據,有效地防止您的在線活動被窺探。

使用社交媒體時如何保護我的個人信息?

為了在使用社交媒體時保護您的個人信息,請確保使用強密碼並儘可能啟用雙因素身份驗證。請謹慎對待您在網上分享的內容,包括您的位置、電話號碼或電子郵件地址等個人詳細信息,以及可能洩露敏感信息的照片。

什麼是 DDoS 攻擊?

分佈式拒絕服務 (DDoS) 攻擊是一種網絡攻擊,其中使用多個系統向目標網站或服務器注入大量流量,使其不堪重負,導致其崩潰或不可用。

為什麼我應該定期備份數據?

定期備份數據有助於防止因硬件故障、網絡攻擊、自然災害或其他意外事件導致的數據丟失。通過將重要文件的副本保存在多個位置(例如外部硬盤驅動器或云存儲服務),即使您的主存儲設備發生問題,您也可以確保數據保持安全。

什麼是加密?

加密是以只有授權方才能讀取的方式對信息進行編碼的過程。它涉及使用數學算法將明文(未加密的數據)轉換為只能使用特定密鑰解密的密文(加密的數據)。

我如何保護自己免遭身份盜用?

為了保護自己免遭身份盜用,請警惕那些未經請求的電子郵件或電話,詢問您的社會安全號碼或信用卡詳細信息等個人信息。盡可能使用強密碼和雙因素身份驗證,定期監控您的財務帳戶是否存在可疑活動,並考慮使用身份盜竊保護服務。

什麼是端點安全?

端點安全是指為保護連接到更大網絡的單個設備(例如筆記本電腦、台式機、智能手機或平板電腦)而採取的措施。這可能包括防病毒軟件、防火牆、入侵檢測系統或其他旨在防止未經授權的訪問或惡意軟件感染的安全工具。

網上購物時如何確保安全?

為了確保在線購物時的安全,請確保您使用的安全網站啟用了 HTTPS 加密。在零售商網站上創建帳戶時,請使用強密碼和雙因素身份驗證,並避免點擊未經請求的電子郵件或社交媒體消息中提供看起來好得令人難以置信的優惠的鏈接。最後,在線購物後,請務必監控您的銀行賬戶對賬單是否有任何可疑交易。

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