Krebs on Security

NOVEMBER 10, 2020

Adobe and Microsoft each issued a bevy of updates today to plug critical security holes in their software. Microsoft’s release includes fixes for 112 separate flaws, including one zero-day vulnerability that is already being exploited to attack Windows users. Not everyone is happy with the new format.

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eSecurity Planet

AUGUST 26, 2021

Microsoft this week issued an advisory about three vulnerabilities referred to collectively as ProxyShell days after security researchers at a federal government cybersecurity agency warned that cybercriminals were actively trying to exploit them. The three vulnerabilities are CVE-2021-34473, CVE-2021-34523 and CVE-2021-31207.

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Hot for Security

MARCH 9, 2021

In case you’ve missed the news – hundreds of thousands of Microsoft Exchange Server systems worldwide are thought to have been compromised by hackers, who exploited zero-day vulnerabilities to steal emails. What’s a zero-day vulnerability? My business uses Microsoft Exchange – are we at risk?

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eSecurity Planet

JANUARY 6, 2023

Rackspace has acknowledged that it was hit by the Play ransomware a month ago in an attack that compromised customers’ Microsoft Exchange accounts. The attackers apparently leveraged a zero-day vulnerability called OWASSRF that was recently analyzed by CrowdStrike. Moving on from Exchange. New Exploit Identified.

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Heimadal Security

SEPTEMBER 6, 2021

According to cybersecurity researchers, the Conti ransomware threat actor has been used recently disclosed ProxyShell vulnerability exploits to hack into Microsoft Exchange servers and compromise corporate networks. The three Microsoft Exchange vulnerabilities used […].

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Krebs on Security

MARCH 9, 2021

On the off chance you were looking for more security to-dos from Microsoft today…the company released software updates to plug more than 82 security flaws in Windows and other supported software. In the ENKI blog post, the researchers said they will publish proof-of-concept (PoC) details after the bug has been patched.

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Heimadal Security

MAY 4, 2021

Last week, security specialist Nguyen Jang has released technical information and proof-of-concept exploit (PoC) code for the severe flaw CVE-2021-28482 in Microsoft Exchange Server that could be used by hackers to perform code on vulnerable systems.

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SC Magazine

MARCH 2, 2021

Microsoft released patches Tuesday for four critical vulnerabilities Chinese hackers are using in targeted attacks on Exchange Server, SC Media has learned. Microsoft was quick to caution that this hacking is unrelated to Solarigate. Microsoft suggests patching these immediately.

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Krebs on Security

MARCH 10, 2020

Microsoft Corp. Twenty-six of those earned Microsoft’s most-dire “critical” rating, meaning malware or miscreants could exploit them to gain complete, remote control over vulnerable computers without any help from users. But there are a few eyebrow-raising Windows vulnerabilities worthy of attention.

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Security Affairs

JANUARY 27, 2023

Microsoft warns customers to patch their Exchange servers because attackers always look to exploit unpatched installs. Microsoft published a post to urge its customers to protect their Exchange servers because threat actors actively attempt to exploit vulnerabilities in unpatched installs.

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eSecurity Planet

OCTOBER 12, 2022

Microsoft’s October 2022 Patch Tuesday includes security updates that fix well over 80 vulnerabilities in more than 50 different parts of its product range – but the ProxyNotShell flaws in Exchange Server that were reported last month are not on the list. ” See the Top Secure Email Gateway Solutions.

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Malwarebytes

MARCH 21, 2022

Notably the FBI has noticed that several victims have reported Microsoft Exchange Server vulnerabilities as the intrusion vector. Contact us soon, because those who don’t have their data leaked in our press release blog and the price they’ll have to pay will go up significantly. Exchange vulnerabilities.

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The Last Watchdog

FEBRUARY 11, 2024

It seems every day we hear of another breach, another scam, another attack on anything from a small business to a critical aspect of our nation’s infrastructure. This comes after the second highest year of enforcement actions from the Securities and Exchanges Commission (SEC). The list goes on.

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Security Boulevard

MARCH 31, 2021

roundup of UK focused Cyber and Information Security News, Blog Posts, Reports and general Threat Intelligence from the previous calendar month, March 2021. better protect the internal network and isolate critical systems. Also, see the blog post - The Ransomware Group Tactics which Maximise their Profitability.

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SC Magazine

APRIL 1, 2021

CISA encourages all organizations to fix Microsoft Exchange vulnerabilities in the wake of massive exploitation campaigns targeting the software. The post CISA encourages everyone to follow updated guidance for Microsoft Exchange fixes appeared first on SC Media. Coolcaesar, CC BY-SA 4.0

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Malwarebytes

OCTOBER 12, 2022

Microsoft fixed 84 vulnerabilities in its October 2022 Patch Tuesday updates. Thirteen of them received the classification 'Critical'. Among them are a zero-day vulnerability that's being actively exploited, and another that hasn’t been spotted in the wild yet. What wasn’t fixed. Other vendors.

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SC Magazine

APRIL 13, 2021

Microsoft prepares for a news conference t in Los Angeles, California. Researchers on Tuesday reported that an unknown attacker hacked one Microsoft Exchange server as a means to install a malicious Monero cryptominer onto other Exchange servers to gain access. Photo by Kevork Djansezian/Getty Images).

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Security Affairs

MAY 10, 2022

Microsoft Patch Tuesday security updates for May 2022 address three zero-day vulnerabilities, one of them actively exploited. Microsoft Patch Tuesday security updates for May 2022 addressed three zero-day vulnerabilities, one of which is under active attack. ” read the advisory published by Microsoft.

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NetSpi Technical

MARCH 11, 2024

In 2023 NetSPI discovered that Microsoft Outlook was vulnerable to authenticated remote code execution (RCE) via synced form objects. This blog will cover how we discovered CVE-2024-21378 and weaponized it by modifying Ruler , an Outlook penetration testing tool published by SensePost.

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Security Boulevard

JANUARY 10, 2022

Microsoft Exchange Server Vulnerabilities. In January 2021, Volexity detected a large amount of egress data traffic on its customers’ Microsoft Exchange Servers [1]. Later, it discovered that several vulnerabilities had been exploited for unauthorized data exfiltration by an APT group called HAFNIUM.

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Security Affairs

APRIL 12, 2022

Microsoft Partch Tuesday security updates for April 2022 fixed 128 vulnerabilities, including an actively exploited zero-day reported by NSA. Ten of the 128 vulnerabilities fixed by Microsoft are rated Critical, 115 are rated Important, and three are rated Moderate in severity. To nominate, please visit:?

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eSecurity Planet

NOVEMBER 6, 2023

The past week has been a busy one for cybersecurity vulnerabilities, with 34 vulnerable Windows drivers and four Microsoft Exchange flaws heading a long list of security concerns. QNAP vulnerabilities and npm package supply chain attacks also made our list this week, plus a look at the new CVSS v4.0

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eSecurity Planet

JUNE 13, 2023

Microsoft’s Patch Tuesday for June 2023 addresses 78 vulnerabilities, a significant increase from last month’s total of 37. While six of the flaws are critical, Microsoft says none are currently being exploited in the wild. “Let’s hope these bugs get fixed before any active exploitation starts.”

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eSecurity Planet

NOVEMBER 10, 2022

Microsoft’s November 2022 Patch Tuesday includes fixes for more than 60 vulnerabilities affecting almost 40 different products, features and roles – including patches for CVE-2022-41040 and CVE-2022-41082 , the ProxyNotShell flaws disclosed last month. Vulnerable Time of Year. Other Threats Patched Too. .

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SC Magazine

MARCH 3, 2021

In its blog post on critical Exchange Server patches Tuesday, Microsoft pointed to “limited and targeted” exploitation of three vulnerabilities in the wild. Microsoft attributed the exploit of a chain of four vulnerabilities to a state-sponsored Chinese group it calls Hafnium.

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Security Affairs

JUNE 21, 2022

The threat actors initially launched a cyber espionage campaign against entities in Taiwan and Vietnam, the APT was observed targeting Microsoft Exchange servers with a zero-day exploit. The first wave of attacks exclusively aimed at Microsoft Exchange Servers that were compromised with the sophisticated passive backdoor Samurai. .

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CyberSecurity Insiders

APRIL 15, 2021

Our Real-Time Vulnerability Alerting Engine harnesses public data and applies proprietary data analytics to cut through the noise and get real-time alerts for highly seismic cloud vulnerability exposures and misconfigurations—making vulnerability fatigue a thing of the past. Each blue dot represents a vulnerability.

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Security Affairs

FEBRUARY 9, 2021

Microsoft February 2021 Patch Tuesday addresses 56 vulnerabilities, including a flaw that is known to be actively exploited in the wild. Of these 56 vulnerabilities, 11 have been rated as Critical, 43 as Important, and two as Moderate in severity. Prioritize this update if you depend on Microsoft DNS servers.”

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Vipre

MARCH 9, 2021

VIPRE Security has released a security update related to last week’s attack affecting Microsoft Exchange Server 2013, 2016, and 2019. The Microsoft Security Response Center issued a detailed update March 5 th with information and guidance for customers who may be affected. KrebsOnSecurity was first to report the hack.

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SC Magazine

MARCH 10, 2021

Security researchers said the fix for the remote execution flaw found in Microsoft Internet Explorer should top the patching list for security pros following Patch Tuesday yesterday. Jay Goodman, manager of product marketing at Automox, added that the memory corruption vulnerability affects Internet Explorer 11 and 9, and Edge browsers.

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eSecurity Planet

FEBRUARY 9, 2022

Microsoft is shutting a couple of security holes, including one that has been a favored target of attackers for years and another that the enterprise software giant recently learned could be exploited to install a malicious package. Also read: Best Patch Management Software for 2022. Disabling VBA Macros. Security By Default.

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Security Affairs

JUNE 20, 2022

sections “The Underdogs – Best Personal (non-commercial) Security Blog” and “The Tech Whizz – Best Technical Blog”). Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g. To nominate, please visit:?. Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

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Security Boulevard

MAY 3, 2021

roundup of UK focused Cyber and Information Security News, Blog Posts, Reports and general Threat Intelligence from the previous calendar month, April 2021. In some under-resourced and more critical sectors, incentives (such as fine relief and funding) or regulation may be required to drive adoption. Think Before You LinkedIn!

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eSecurity Planet

JULY 23, 2021

Microsoft is struggling through a rough July for security issues even as the company continues to add more cybersecurity capabilities through acquisitions. The software giant earlier this month issued an emergency update in Windows after researchers at cybersecurity vendor Sangfor published a blog about a security flaw dubbed “PrintNightmare.”

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NopSec

MAY 31, 2023

In this post we cover a critical vulnerability identified in VMWare that could allow a guest OS escape and RCE on your hypvervisor. ManagedEngine ADManager was found vulnerable to yet another command injection vulnerability and Barracuda released a patch to address a remote command execution vulnerability achieved via *.tar

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NetSpi Technical

MARCH 11, 2024

In 2023 NetSPI discovered that Microsoft Outlook was vulnerable to authenticated remote code execution (RCE) via synced form objects. This blog will cover how we discovered CVE-2024-21378 and weaponized it by modifying Ruler , an Outlook penetration testing tool published by SensePost.

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Malwarebytes

DECEMBER 7, 2021

Microsoft has taken control of 42 web domains that a hacking group was using to try to breach its targets. The court order was unsealed December 6 following completion of service on the hosting providers, and traffic from the websites is now routed to computer servers controlled by Microsoft. International cooperation.

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