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什麼是欺騙?

欺騙是一種網路攻擊,涉及冒充計算機、設備或使用者以訪問受保護的信息或系統。攻擊者可以使用不同的方法,例如IP位址欺騙、功能變數名稱欺騙和電子郵件欺騙。在某些情況下,攻擊者甚至可能使用一種稱為「社會工程」的技術來控制目標的帳戶。

IP 位址欺騙是什麼意思?

IP 位址欺騙意味著攻擊者使用與自己的IP位址不同的IP位址來隱藏其身份或訪問其他人的數據。在發送惡意數據包時,如果攻擊者使用的IP位址看起來與合法數據包相似或相同,安全團隊可能很難判斷這些數據包的來源。

功能變數名稱欺騙如何工作?

功能變數名稱欺騙的工作原理是創建一個看似合法但實際上連結回由駭客控制的惡意網站的功能變數名稱。通過這種方式,他們可以發送帶有官方網址的電子郵件,並欺騙使用者點擊它們並洩露敏感資訊,例如登錄詳細資訊或付款資訊。

如何使用電子郵件欺騙?

電子郵件欺騙通常用於網路釣魚攻擊,攻擊者使用真實的寄件者姓名和消息創建電子郵件,旨在誘騙使用者提供個人和財務數據,例如密碼和信用卡號。網路犯罪分子經常使用這些技術來竊取資金或訪問機密的公司數據。

什麼是社會工程?

社會工程是指攻擊者使用心理操縱技術來獲得某人的信任並說服他們採取行動,提供訪問許可權或披露有關他們自己或僱主的機密資訊。通常,這種攻擊涉及虛假網站,其中要求使用者提供個人詳細資訊,例如密碼和銀行帳號,然後被網路犯罪分子出於惡意目的收集。

防病毒軟體可以防止社會工程攻擊嗎?

防病毒軟體可以説明防止某些類型的攻擊,但它不能總是提供針對社會工程攻擊的完整保護,因為它們嚴重依賴於人類行為,而不是防病毒程式師尋找和阻止的軟體設計中的技術弱點。因此,對於組織和個人來說,重要的是要意識到社會工程帶來的潛在威脅,並採取措施通過教育、培訓和制定協議來緩解這些威脅,這些協定概述了員工在其網路內或通過公司網路連接的最終使用者設備上發現潛在惡意活動時應如何應對。

還可以採取哪些其他措施來防止電腦駭客攻擊企圖?

組織可以部署其他措施,例如防火牆,入侵檢測系統(IDS)和惡意軟體掃描程式,這些措施可以在可疑網路活動產生太嚴重後果之前檢測到可疑網路活動。此外,公司應定期審查其網路中授予的訪問許可權,以便只有需要訪問許可權的人才能獲得訪問許可權,這有助於減少任何未經授權的人能夠在不知不覺中登錄系統中的敏感區域,從而為網路犯罪分子提供訪問關鍵檔的簡單途徑,而不會被足夠快地檢測到。此外,定期密碼重置將有助於確保密碼始終保持安全,而不是由於基於損耗的攻擊而隨著時間的推移而成為犧牲品,攻擊者會嘗試從存儲在Web主機中的資料庫中獲取舊密碼。

如何瞭解有關計算機安全措施的更多資訊?

隨著時間的推移,計算機安全措施變得越來越複雜,這既是由於新技術的出現,也是駭客部署自己的技術以混合攻擊媒介(同時利用多個漏洞)的日益複雜的性質。因此,對於任何認真在線保護其資產的組織來說,重要的是要及時瞭解最新的行業新聞/發展+定期進行與其當前設置相關的內部審查/審計,以便潛在的漏洞立即可見並在需要時相應地解決。

如果我的系統被駭客入侵,我可以聯繫任何組織嗎?

是的;如果您認為您的系統已被駭客入侵,那麼您應該聯繫您當地的警察部隊,並向可能進行官方調查的專業IT取證尋求建議;此外,您可以聯繫您所在國家/地區或國際上負責監管在線安全和安保的官方機構(例如ICANN)。在處理此類情況時,鑒於在嘗試解決調查過程中提出的任何問題時,與駭客相關的任何事件都具有高度敏感的性質,因此在處理此類情況時獲得專業/官方支持始終是明智的。

我什麼時候應該檢查我的計算機系統是否有洩露的跡象?

如果您在使用計算機時發現異常情況,例如程式意外運行,則應立即進一步調查,因為這可能表明以前與活動相關的不受信任來源試圖訪問存儲在設備本身中的個人檔/資訊。此外,使用防病毒類型應用程式的定期計劃掃描應至少每月進行一次,以確保沒有意外入侵掠奪已安裝的現有漏洞。

哪些類型的電腦最容易受到欺騙攻擊?

所有使用網路協定(如 TCP/IP)的電腦和設備都容易受到欺騙攻擊,儘管台式機和筆記型電腦由於其更大的市場份額而更有可能成為攻擊目標。在較舊的操作系統(如Windows XP和Windows Vista)上運行的設備也可能特別容易受到攻擊,這取決於這些平臺從安全角度的設計程度。此外,平板電腦和智慧手機等行動裝置也可能成為目標,在其上安裝防病毒類型的軟體以減少攻擊成功的機會至關重要。

使用公共Wi-Fi網路訪問互聯網是否存在任何風險?

是的,當通過不安全的公共Wi-Fi網路訪問網頁或服務時,可能會成為許多潛在攻擊媒介的犧牲品;這是因為攻擊者可能會監聽所有傳出/傳入流量(包括登錄詳細資訊等敏感數據包)+將惡意代碼注入流以劫持用戶會話。因此,連接公共網路總是明智的選擇,使用VPN類型的應用程式,以便加密通信並減少攻擊成功的機會,或者只是避免執行完全傳輸個人/敏感信息的活動。

有哪些技巧可以保護自己免受惡意軟體的侵害?

保護自己免受惡意軟體侵害的一些提示包括:

  • 使所有作業系統和應用程式保持最新狀態,並相應地應用安全補丁。
  • 在所有連接到互聯網的設備上安裝防病毒類型的軟體,例如Microsoft的Windows Defenderhttps://www.lenovo.com/us/en/glossary/what-is-internet/。
  • 設置防火牆以幫助過濾掉潛在的惡意流量。
  • 不要點擊可疑連結或打開電子郵件中的附件。
  • 為所有帳戶使用唯一的密碼,最好是啟用了雙因素身份驗證的帳戶。
  • 確保在訪問網站/應用程式時使用 HTTPS 始終保護網路連接。

基於雲的服務如何幫助確保數據安全?

基於雲端的服務可以通過加密存儲在其伺服器中的數據來幫助確保數據安全,以便只有客戶才能訪問它。此外,雲供應商可以監控和檢測任何未經授權的訪問或惡意活動。此外,它們還提供額外的保護層,例如身份驗證和授權方法,以確保只有授權人員才能訪問數據。他們還定期備份客戶的數據,確保即使確實發生了違規行為,他們的客戶也可以快速輕鬆地恢復丟失的數據。

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