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Security Affairs newsletter Round 411 by Pierluigi Paganini

Security Affairs

Much ado about nothing Cisco fixed CVE-2023-20049 DoS flaw affecting enterprise routers Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs – hacking, newsletter) The post Security Affairs newsletter Round 411 by Pierluigi Paganini appeared first on Security Affairs.

DDOS 81
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Microsoft Patch Tuesday for February 2023 fixed actively exploited zero-days

Security Affairs

Microsoft Patch Tuesday security updates for February 2023 addressed 75 flaws, including three actively exploited zero-day bugs. None of the vulnerabilities addressed this month are listed as publicly known, but three flaws are listed as being exploited in the wild at the time of disclosure.

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Four zero-days in Microsoft Exchange actively exploited in the wild

Security Affairs

Microsoft released emergency out-of-band security updates for all supported Microsoft Exchange versions that fix four zero-day flaws. Four chained zero days are being exploited in the wild against Exchange Server, aka Outlook Web App.

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Microsoft updated MSERT to detect web shells used in attacks against Microsoft Exchange installs

Security Affairs

Microsoft updated its Microsoft Safety Scanner (MSERT) tool to detect web shells employed in the recent Exchange Server attacks. Microsoft has detected multiple 0-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks.

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Zero-day vulnerabilities in Microsoft Exchange Server

SecureList

On March 2, 2021 several companies released reports about in-the-wild exploitation of zero-day vulnerabilities inside Microsoft Exchange Server. The following vulnerabilities allow an attacker to compromise a vulnerable Microsoft Exchange Server. What happened? CVE-2021-26857.gen.

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10 Lessons Learned from the Top Cyber Threats of 2021

Security Boulevard

Emerging threats posed many challenges to security professionals and created many opportunities for threat actors. Picus has curated a list of the top five threats observed in 2021, detailing ten lessons defenders can learn from them. . Microsoft Exchange Server Vulnerabilities. Remote Code Execution.

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Cyber Security Roundup for April 2021

Security Boulevard

roundup of UK focused Cyber and Information Security News, Blog Posts, Reports and general Threat Intelligence from the previous calendar month, March 2021. FatFace CEO Liz Evans released a statement which said “ On 17th January 2021 FatFace identified some suspicious activity within its IT systems. conduct penetration testing.