How to Identify and Handle Phishing Emails: A Complete Guide

Phishing emails are one of the most persistent and dangerous forms of cyberattacks. If you’ve ever received a strange message in your inbox asking you to click a link, share sensitive information, or download a file, chances are, you’ve been targeted.

While these attacks are common, they can still cause serious damage. According to Check Point’s State of Cyber Security 2025, email remains the dominant initial attack vector, with 68% of attacks originating from email. In addition, 61% of email-delivered malicious files include HTML attachments, a frequent driver of phishing and credential theft. From compromised login credentials to financial losses and full-scale identity theft, a single click can have major consequences. Knowing how to identify phishing emails and handling them properly can significantly reduce your risk.

In this guide, we’ll show you what phishing emails look like, the red flags to watch for, and the right steps to take the moment you receive one, whether you’re an individual or managing security for your organization.

What Is a Phishing Email?

A phishing email is a deceptive message used as a primary vehicle in social engineering campaigns. Attackers use it to persuade recipients to share sensitive information or take actions that compromise security. Common objectives include:

• Login credentials
• Financial information (credit card or banking details)
• Access to internal systems or cloud accounts
• Personal data that can be used for identity theft

These messages are often disguised to appear legitimate, posing as trusted companies such as Microsoft, Google, banks, delivery services, or even internal departments within your workplace. According to Proofpoint, the volume is surging in Japan, and in May 2025, about 80% of scam emails they detected globally targeted Japanese recipients. But with careful attention, many phishing emails can be spotted before any harm is done.

How to Identify a Phishing Email

Learning how to identify a phishing email is the first step toward protecting yourself or your organization. Below are common signs that an email could be malicious:

1. Suspicious Sender Address

If the sender’s email address is unfamiliar or has subtle typos (e.g., @micros0ft.com instead of @microsoft.com), be cautious. Phishing emails often come from spoofed domains meant to resemble legitimate companies.

2. Urgent Language or Threats

Phishing emails often attempt to create a sense of panic or urgency. Phrases like “your account will be suspended,” “unauthorized login attempt,” or “immediate action required” are common scare tactics used by scammers.

3. Grammar and Spelling Mistakes

Many phishing scams originate from international threat actors. As a result, messages may include obvious grammar errors, awkward phrasing, or inconsistent formatting.

4. Unexpected Attachments or Links

If an email contains a link or attachment you weren’t expecting—especially from someone you don’t know—don’t click or download it. It could contain malware or direct you to a fake website that captures your login credentials.

5. Requests for Personal or Financial Information

Legitimate companies rarely ask for sensitive information via email. If you’re asked to “verify” your account, provide a password, or enter banking details, it’s a red flag.

Tip: Hover your mouse over any links in the email (without clicking). This displays the actual URL, which can help you determine if it’s directing you to a suspicious location.

What to Do If You Receive a Phishing Email

Now that you know how to identify a phishing email, the next step is learning how to handle it safely. Here’s a step-by-step guide to follow:

Step 1: Don’t Panic—and Don’t Click

Receiving a phishing email doesn’t mean you’ve been hacked. Simply opening the email usually won’t infect your computer, especially if you haven’t clicked any links or downloaded any files.

But what you do next matters.

• Do not reply to the sender.
• Do not click any links or buttons.
• Do not download any attachments.
• Do not call any phone numbers listed in the message.

Responding to the email, even just to say it’s a scam, confirms your account is active, making you a more attractive target for future attacks.

Step 2: Report the Email

Reporting phishing attempts helps email providers, IT teams, and cybersecurity authorities prevent future attacks.

If You’re Using a Work Email

• Notify your IT or cybersecurity team immediately.
• Follow internal reporting protocols—many companies have dedicated phishing reporting forms or addresses (e.g., phishing@yourcompany.com).
• Leave the message in your inbox until your team confirms next steps.

If You’re Using a Personal Email

• Most email services offer built-in tools for reporting phishing:
  • Gmail: Click the three dots next to the reply arrow, then select “Report phishing.”
  • Outlook: At the top, select “Report”
• You can also forward the email to national cybersecurity agencies:
  • Singapore: Report via https://www.csa.gov.sg or contact the SingCERT team.
  • Hong Kong: Submit a report to the Hong Kong Computer Emergency Response Team Coordination Centre (HKCERT) at https://www.hkcert.org.
  • Japan: Report phishing incidents to the Council of Anti-Phishing Japan at https://www.antiphishing.jp/registration.html.

Step 3: Delete the Message (Properly)

Once you’ve reported the phishing email, go ahead and delete it. Be sure to also empty your Trash or Deleted Items folder to fully remove it from your account.

Never forward a suspicious email to a coworker or friend—even if you’re trying to warn them. They might click on something by accident.

How to Handle Phishing Emails That You’ve Already Engaged With

If you’ve already clicked a link, entered personal information, or downloaded a file, take the following steps immediately:

If this happened at work:

• Contact your IT team first. Stop and report the incident immediately. Follow their guidance before taking any other action. Simple steps done on your own could worsen the problem or erase valuable evidence.

If advised by IT, or if this is a personal device with no IT support:

• Disconnect your device from the internet, if possible.
• Run a full antivirus scan using reputable security software.
• Change your passwords, especially if you entered login credentials. Do this from a clean device.
• Enable multi-factor authentication on your accounts for added protection.
• Notify your IT team or your bank, depending on the information you shared.

Taking fast action can minimize the damage and potentially stop attackers from accessing your data.

How to Prevent Future Phishing Attacks

Phishing attacks are constantly evolving, making it essential to stay ahead with proactive measures. If you’re looking for effective strategies on how to prevent phishing emails, here are practical tips to help reduce your long-term risk:

1. Use Strong Spam Filters

Your email provider or IT team should implement advanced spam filtering to block known phishing domains and patterns before they reach your inbox.

2. Invest in Endpoint Protection

Security software can detect malicious attachments and websites, adding an extra layer of protection beyond basic email filtering.

3. Keep Software and Devices Updated

Outdated software is more vulnerable to exploits. Always install updates for your browser, email client, operating system, and antivirus tools.

4. Train Your Team

For businesses, employee awareness is critical. Conduct regular phishing simulations and cybersecurity training sessions to reinforce safe email habits.

5. Partner with a Trusted IT Security Provider

A dedicated IT partner like EIRE Systems can help you assess your organization’s security posture, implement defense-in-depth strategies, and respond quickly to cyber threats.

Why Partner With EIRE Systems?

EIRE Systems is a trusted IT solutions provider in the Asia Pacific region, with decades of experience helping businesses secure their digital environments. We offer:

• Advanced email security solutions
• Security audits and vulnerability assessments
• Cybersecurity policy design and enforcement
• Employee training and awareness programs
• Rapid incident response

Whether you’re an SMB or a large enterprise, we tailor our IT security strategies to meet your business’s unique needs and evolving threat landscape.

Don’t Let One Email Derail Your Security

Phishing scams are getting more sophisticated, but your response doesn’t have to be complicated. The next time you receive a suspicious message, remember:

• Trust your instincts—if it looks off, it probably is.
• Never click on unknown links or share sensitive information.
• Report and delete phishing emails promptly.
• Stay up to date with the latest security tools and training.

If you’re looking to upgrade your organization’s cybersecurity defenses and gain a reliable IT partner, EIRE Systems is ready to help.

Contact us today to discover how we can help safeguard your business against phishing emails and the numerous threats they pose.

Sources:

• Check Point Software Technologies Ltd. (2025). 2025 Cyber Security Report.https://www.checkpoint.com/security-report/
• Kyodo News. (2025, July 19). Over 80% of scam emails globally targeted Japan in May: Security firm. https://english.kyodonews.net/articles/-/57571