Phishing attacks attempt to steal sensitive information through emails, websites, text messages, or other forms of electronic communication. They try to look like official communication from legitimate companies or individuals.
Cybercriminals often attempt to steal usernames, passwords, credit card details, bank account information, or other credentials. They use stolen information for malicious purposes, such as hacking, identity theft, or stealing money directly from bank accounts and credit cards. The information can also be sold in cybercriminal underground markets.
Social engineering attacks are designed to take advantage of a user's possible lapse in decision-making. Be aware and never provide sensitive or personal information through email or unknown websites, or over the phone. Remember, phishing emails are designed to appear legitimate.
Learn the signs of a phishing scamThe best protection is awareness and education. Don't open attachments or links in unsolicited emails, even if the emails came from a recognized source. If the email is unexpected, be wary about opening the attachment and verify the URL.
Enterprises should educate and train their employees to be wary of any communication that requests personal or financial information. They should also instruct employees to report the threat to the company's security operations team immediately.
Here are several telltale signs of a phishing scam:
The links or URLs provided in emails are not pointing to the correct location or are pointing to a third-party site not affiliated with the sender of the email. For example, in the image below the URL provided doesn't match the URL that you'll be taken to.
There's a request for personal information such as social security numbers or bank or financial information. Official communications won't generally request personal information from you in the form of an email.
Items in the email address will be changed so that it's similar enough to a legitimate email address, but has added numbers or changed letters.
The message is unexpected and unsolicited. If you suddenly receive an email from an entity or a person you rarely deal with, consider this email suspect.
The message or the attachment asks you to enable macros, adjust security settings, or install applications. Normal emails won't ask you to do this.
The message contains errors. Legitimate corporate messages are less likely to have typographic or grammatical errors or contain wrong information.
The sender address doesn't match the signature on the message itself. For example, an email is purported to be from Mary of Contoso Corp, but the sender address is john@example.com.
There are multiple recipients in the "To" field and they appear to be random addresses. Corporate messages are normally sent directly to individual recipients.
The greeting on the message itself doesn't personally address you. Apart from messages that mistakenly address a different person, greetings that misuse your name or pull your name directly from your email address tend to be malicious.
The website looks familiar but there are inconsistencies or things that aren't quite right. Warning signs include outdated logos, typos, or ask users to give additional information that isn't asked by legitimate sign-in websites.
The page that opens is not a live page, but rather an image that is designed to look like the site you're familiar with. A pop-up might appear that requests credentials.
If in doubt, contact the business by known channels to verify if any suspicious emails are in fact legitimate.
Software solutions for organizationsMicrosoft Edge and Windows Defender Application Guard offer protection from the increasing threat of targeted attacks using Microsoft's industry-leading Hyper-V virtualization technology. If a browsed website is deemed untrusted, the Hyper-V container isolates that device from the rest of your network which will prevent access to your enterprise data.
Microsoft Exchange Online Protection (EOP) offers enterprise-class reliability and protection against spam and malware, while maintaining access to email during and after emergencies. Using various layers of filtering, EOP can provide different controls for spam filtering, such as bulk mail controls and international spam, that improves your protection.
Use Microsoft Defender for Office 365 to help protect your email, files, and online storage against malware. It offers holistic protection in Microsoft Teams, Word, Excel, PowerPoint, Visio, SharePoint Online, and OneDrive for Business. By protecting against unsafe attachments and expanding protection against malicious links, it complements the security features of Exchange Online Protection to provide better zero-day protection.
If you think you've been a victim of a phishing attack:
Outlook.com: If you receive a suspicious email message that asks for personal information, select the check box next to the message in your Outlook inbox. Select the arrow next to Junk, and then select Phishing.
Microsoft Office Outlook: While in the suspicious message, select Report message from the ribbon, and then select Phishing.
Microsoft 365: Use the Submissions portal in Microsoft 365 Defender to submit the junk or phishing sample to Microsoft for analysis. For more information, see How do I report a suspicious email or file to Microsoft?.
Anti-Phishing Working Group: phishing-report@us-cert.gov. The group uses reports generated from emails sent to fight phishing scams and hackers. ISPs, security vendors, financial institutions, and law enforcement agencies are involved.
Microsoft Edge: While you're on a suspicious site, select the More (...) icon > Help and feedback > Report Unsafe site. Follow the instructions on the webpage that displays to report the website.
Internet Explorer: While you're on a suspicious site, select the gear icon, point to Safety, and then select Report Unsafe Website. Follow the instructions on the webpage that displays to report the website.
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