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  2. Challenge–response authentication - Wikipedia

    en.wikipedia.org/wiki/Challenge–response...

    The use of information which is randomly generated on each exchange (and where the response is different from the challenge) guards against the possibility of a replay attack, where a malicious intermediary simply records the exchanged data and retransmits it at a later time to fool one end into thinking it has authenticated a new connection ...

  3. Multi-factor authentication fatigue attack - Wikipedia

    en.wikipedia.org/wiki/Multi-factor...

    A multi-factor authentication fatigue attack (also MFA fatigue attack or MFA bombing) is a computer security attack against multi-factor authentication that makes use of social engineering. [ 1 ] [ 2 ] [ 3 ] When MFA applications are configured to send push notifications to end users, an attacker can send a flood of login attempts in the hope ...

  4. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient.A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.

  5. Microsoft says that a cyberattack triggered the hours-long ...

    www.aol.com/news/microsoft-says-cyberattack...

    A global Microsoft Azure outage that impacted a range of services for consumers Tuesday — from reports of stalling Outlook emails to trouble ordering on Starbucks' mobile app — was triggered ...

  6. STRIDE model - Wikipedia

    en.wikipedia.org/wiki/STRIDE_model

    STRIDE is a model for identifying computer security threats [1] developed by Praerit Garg and Loren Kohnfelder at Microsoft. [2] It provides a mnemonic for security threats in six categories. [3] The threats are: Spoofing; Tampering; Repudiation; Information disclosure (privacy breach or data leak) Denial of service; Elevation of privilege [4]

  7. Defense strategy (computing) - Wikipedia

    en.wikipedia.org/wiki/Defense_strategy_(computing)

    Examples of this strategy include using anti-spam techniques, using CAPTCHA and other human presence detection techniques, and using DOS-based defense (protection from Denial-of-service attack). This is a supporting strategy for boundary protection and information system monitoring.

  8. DREAD (risk assessment model) - Wikipedia

    en.wikipedia.org/wiki/DREAD_(risk_assessment_model)

    Damage – how bad would an attack be? Reproducibility – how easy is it to reproduce the attack? Exploitability – how much work is it to launch the attack? Affected users – how many people will be impacted? Discoverability – how easy is it to discover the threat? The DREAD name comes from the initials of the five categories listed.

  9. APT40 - Wikipedia

    en.wikipedia.org/wiki/APT40

    APT40, also known as BRONZE MOHAWK (by Secureworks), [1] FEVERDREAM, G0065, GADOLINIUM (formerly by Microsoft), [2] Gingham Typhoon [3] (by Microsoft), GreenCrash, Hellsing (by Kaspersky), [4] Kryptonite Panda (by Crowdstrike), Leviathan (by Proofpoint), [5] MUDCARP, Periscope, Temp.Periscope, and Temp.Jumper, is an advanced persistent threat operated by the Hainan State Security Department, a ...