Does CVE-2023-23397 affect 365?

Which was responsible for Exchange Server vulnerability

Group Hafnium

March 2: Microsoft Threat Intelligence Center (MSTIC) announces Chinese Hacker Group Hafnium was responsible for the attack targeting on-premises Exchange Software.

What is an email exchange

In simpler terms, Exchange is responsible for sending and receiving emails to and from client computers. Exchange can be paired with any email client, though it is most commonly used in conjunction with Microsoft Outlook.

Has Microsoft Exchange been hacked

The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021.

Is Microsoft Exchange Zero Days actively exploited in attacks

Researchers have disclosed two actively exploited zero-day vulnerabilities in Microsoft Exchange Server. The vulnerabilities, tracked as CVE-2022-41040 and CVE-2022-41082, are related to server-side request forgery (SSRF) and remote code execution (RCE).

What is the difference between Exchange email and Office 365

With Microsoft Exchange Server you, (or your IT support company), are in full control of the hardware and infrastructure, whereas with Office 365 you do not have direct access to this. The difference can impact on the level of control you have over configuration, upgrades and system changes.

Is Office 365 an Exchange account

Exchange Online is part of the Microsoft 365 and Office 365 suite of products. Microsoft Exchange Online is a cloud based messaging platform that delivers email, calendar, contacts, and tasks.

Can Microsoft 365 be hacked

After an attacker steals the credentials and gains access to the account, they can access the associated Microsoft 365 mailbox, SharePoint folders, or files in the user's OneDrive. Attackers often use the compromised mailbox to send email as the original user to recipients inside and outside of the organization.

Does Office 365 still use exchange

Exchange Online is part of the Microsoft 365 and Office 365 suite of products. Microsoft Exchange Online is a cloud based messaging platform that delivers email, calendar, contacts, and tasks.

Can zero-day exploit be prevented

One of the most effective ways to prevent zero-day attacks is deploying a web application firewall (WAF) on the network edge. A WAF reviews all incoming traffic and filters out malicious inputs that might target security vulnerabilities.

Is a zero-day 0 day a vulnerability or an exploit

A zero-day vulnerability is a vulnerability in a system or device that has been disclosed but is not yet patched. An exploit that attacks a zero-day vulnerability is called a zero-day exploit.

Does Office 365 still use Exchange

Exchange Online is part of the Microsoft 365 and Office 365 suite of products. Microsoft Exchange Online is a cloud based messaging platform that delivers email, calendar, contacts, and tasks.

Does Office 365 use Exchange Server

For the uninitiated, Office 365 is the cloud-based SaaS offered by Microsoft that consists of a comprehensive suite of productivity applications including Microsoft Word, Microsoft PowerPoint, Microsoft Excel, and Outlook for the desktop; and server-based applications such as Exchange and SharePoint.

What Exchange version is Office 365

Which Exchange version am I using

Microsoft 365 Exchange Online and Outlook.com 15.20.###.#
Microsoft Exchange Server 2019 CU11 15.2.986.5
Microsoft Exchange Server 2019 CU12 15.2.1118.7
Microsoft Exchange Server 2016 15.1.225.42
Microsoft Exchange Server 2016 CU1 15.1.396.30

Do I need Exchange with Office 365

Office 365 Outlook

You do not need a separate license of Microsoft Exchange Server to send, receive or manage mail from your Microsoft Webmail account. You can also use Office 365 Outlook or Outlook.com to access and manage your email from other providers, such as Gmail or Yahoo Mail.

Is Office 365 a security risk

Credential Theft. Microsoft Office 365 credentials are some of the top targets for cybercriminals. With access to an Office 365 account, an attacker can steal a great deal of sensitive data and use their access to perform future attacks. Cybercriminals steal account credentials through a variety of different means.

Is Office 365 vulnerable to ransomware

Although your data might seem secure when stored within the Microsoft Office 365 cloud, it is still exposed to the security threat of ransomware.

Does Office 365 replace Exchange Server

With Microsoft Exchange Server you, (or your IT support company), are in full control of the hardware and infrastructure, whereas with Office 365 you do not have direct access to this. The difference can impact on the level of control you have over configuration, upgrades and system changes.

What version of Exchange does Office 365 use

Which Exchange version am I using

Microsoft 365 Exchange Online and Outlook.com 15.20.###.#
Microsoft Exchange Server 2019 15.2.221.12
Microsoft Exchange Server 2019 CU1 15.2.330.5
Microsoft Exchange Server 2019 CU2 15.2.397.3
Microsoft Exchange Server 2019 CU3 15.2.464.5

What is the best Defence against 0 day malware

Systems Targeted by Zero Day Attacks. A zero-day attack can exploit vulnerabilities in a variety of systems:Use Windows Defender Exploit Guard.Leverage Next-Generation Antivirus (NGAV)Implement Patch Management.Have an Incident Response Plan Ready.

Why are zero-day vulnerabilities so difficult to defend against

Since, by definition, a zero-day vulnerability can't be known in advance, there is no way to guard against a specific exploit before it happens. However, there are some things that companies can do to reduce their level of risk exposure.

What is Microsoft zero-day vulnerability

A zero-day vulnerability is a flaw in software for which no official patch or security update has been released. A software vendor may or may not be aware of the vulnerability, and no public information about this risk is available. Zero-day vulnerabilities often have high severity levels and are actively exploited.

Does Office 365 replace Exchange server

With Microsoft Exchange Server you, (or your IT support company), are in full control of the hardware and infrastructure, whereas with Office 365 you do not have direct access to this. The difference can impact on the level of control you have over configuration, upgrades and system changes.

What server does Microsoft 365 use

POP, IMAP, and SMTP settings

Email Provider IMAP Settings
Microsoft 365 Outlook Hotmail Live.com Server: outlook.office365.com Port: 993 Encryption: SSL/TLS
MSN Server: imap-mail.outlook.com Port: 993 Encryption: SSL/TLS

What is the difference between Office 365 and Exchange 365

With Exchange, the burden of performing security updates rests on the shoulders of your IT department. This can also require downtime which isn't the case with Office 365 updates. The speed and instantaneous updates with Office 365 also means the latest features are in the hands of your employees right away.

What is the IT risk of Microsoft 365

Credential Attacks

Because Office 365 is so widely used, it's a preferred target for cyber criminals—in fact, Microsoft Office is at the top of the list for credential phishing attacks. Once attackers get login credentials, they can access a user's Microsoft 365 mailbox, SharePoint folders, and OneDrive files.