Blog Details

  • 30 Jun 2024

Phishing Attacks and How to Protect Against Them

In today's world, where the internet has become an integral part of our lives, cyber threats are increasingly on the rise. One such threat is phishing attacks, a type of online fraud aimed at stealing personal and financial information from individuals.

In this type of attack, cybercriminals send deceptive emails that resemble legitimate emails from well-known organizations or companies, attempting to trick users. These emails contain malicious links that, when clicked, direct the user to a fraudulent website.

Phishing attacks are particularly common in the realm of cryptocurrency, where transactions are conducted online. Cybercriminals can easily hack cryptocurrency wallets through these attacks and steal users' assets.

How Phishing Attacks Work

Most phishing attacks are carried out through text messages or emails sent to users. Before sending the emails, attackers compile a list of target users and send these emails in bulk at specific times. Attackers hope that a significant number of users on the list will be deceived and click on the link in the email. The sender or attacker attempts to present themselves as a legitimate entity, company, or supplier.

The primary goal of these emails is to deceive users into responding to the email or clicking on the link provided in the email. Once the user clicks on the link, they are directed to a fraudulent website designed by the hacker. The fake website, which closely resembles the legitimate site, asks the user to enter their personal and confidential information such as username, password, bank details, or cryptocurrency wallet keys. After entering this information, cybercriminals can easily access and misuse this information for various malicious purposes such as stealing money, identity theft, or emptying cryptocurrency wallets. These phishing attacks come in various forms and are not always this simple. For a deeper understanding of the different types of phishing attacks, continue reading.

Types of Phishing Attacks

Phishing can be categorized into different types based on the target and the nature of the attack. Below are some of the common types of phishing attacks:

  • Clone Phishing: In clone phishing, the attacker copies a legitimate email that has been previously sent and modifies it in a way that includes a malicious link. The attacker claims that the new link is an updated version of the original.

  • Pharming: In this method, the attacker targets a legitimate DNS (Domain Name System) and infects it, redirecting users to a fraudulent website prepared by the attacker. This is one of the most dangerous types of phishing attacks because once the DNS is compromised, users have no control over it and cannot protect their information.

  • Whaling: This type of phishing targets high-profile and wealthy individuals, such as CEOs of large companies and important government officials.

  • Spear Phishing: Spear phishing targets specific individuals or organizations. The attacker gathers specific information about the victims (such as names of friends, family, and acquaintances) and uses this information to convince or threaten the user into visiting their website or downloading a malicious file.

  • Email Spoofing: Phishing emails often spoof communications from reputable individuals or companies, tricking unsuspecting victims into visiting fraudulent websites where attackers can collect account information.

  • Typosquatting: Typosquatting involves creating fake websites with slight misspellings of popular website names. Users who mistype the website address end up on the fraudulent site, where attackers can steal their information.

  • Website Redirects: This involves redirecting users from a legitimate website to a fraudulent one. Attackers exploit vulnerabilities in websites to install redirects or send malware to users' computers.

  • Watering Hole Attacks: In this attack, attackers observe users and identify their frequently visited websites. They then look for vulnerabilities in these websites and, if found, inject malicious scripts to target the users.

  • Advertisements: Phishing through paid advertisements involves attackers using domains they control and engaging in typosquatting and other fraudulent activities to steal user information. These sites may even appear at the top of search engine results, posing as legitimate companies.

  • Text and Voice Phishing: Phishing can also be conducted through text messages and voice messages to steal user information.

  • Malicious Applications: Attackers distribute malicious apps that transfer malware to your system and steal important personal information.

  • Impersonation and Giveaways: Attackers impersonate celebrities or well-known individuals on social media to gather a following and offer fake prizes as bait to steal users' information.

Phishing Attacks in Cryptocurrencies and Their Methods

Phishing attacks in the realm of cryptocurrencies are a common method for stealing user information and digital assets. Due to the high value of cryptocurrencies and the complex technology behind them, users must be extremely vigilant. Below, we examine the methods of phishing attacks in cryptocurrencies and ways to counter them:

Methods of Phishing Attacks in Cryptocurrencies

  1. Fake Emails from Exchanges and Wallets: Attackers send emails that appear to be from exchanges or wallet services, asking users to click on a link to verify their account, update information, or solve an urgent problem. These links lead to fake websites.

  2. Fake Websites of Exchanges and Wallets: Phishers create websites that resemble legitimate exchanges or wallet services, luring users to enter their login information.

  3. Fake Presales (ICO Scams): Phishers advertise the presale of a new cryptocurrency or ICO, directing users to fake websites and asking them to transfer money to a fake wallet address to purchase the cryptocurrency.

  4. Fake Support: Attackers pose as support representatives from exchanges or wallets through social networks or emails, creating a fake issue to trick users into revealing sensitive information.

  5. Malware and Malicious Software: Phishers develop malicious software that appears to be a wallet or a cryptocurrency management tool but actually steals the user's login information.

  6. Fake Transaction Previews: Phishers, through emails or social networks, lure traders with attractive offers and high exchange rates to fake websites to conduct their transactions.

How to Identify Phishing Attacks

Identifying phishing attacks requires users to be careful and aware. Here are some methods to identify phishing attacks:

  1. Check the Email Sender: Emails received from unknown or unexpected senders should be scrutinized. Be sure to carefully check the sender's email address to ensure it matches official addresses.

  2. Suspicious Links: Before clicking on links, hover the mouse pointer over the link to display the full address. Addresses that differ slightly from legitimate websites (such as changing one letter or adding a word) can be suspicious.

  3. Attractive Offers and Prizes: Emails offering proposals or prizes that seem too good to be true are likely traps. Do not trust such emails and do not provide personal information in response to them.

  4. Immediate Pop-ups: Websites that immediately display pop-ups asking for personal information upon opening can be a sign of phishing. Avoid entering information in such pop-ups.

  5. Spelling and Grammar Mistakes: Phishing emails often contain spelling and grammar mistakes. The presence of such errors can be an indication of the email's lack of authenticity.

  6. Requests for Personal Information: Never send sensitive personal information (such as passwords, credit card numbers, or social security numbers) via email. Reputable companies will never ask you to send such information through email.

How to Stay Safe from Phishing?

To protect yourself from phishing attacks, it is essential to follow several guidelines and adopt some security measures. Below are some methods to help you stay safe:

Education and Awareness:

Always stay updated on the latest phishing methods and techniques. Educate your family and friends about the dangers of phishing.

Careful Examination of Emails:

Scrutinize emails received from unknown or unexpected senders. Avoid opening attachments and clicking on suspicious links.


Use Two-Factor Authentication (2FA):

Enable two-factor authentication for your online accounts to enhance security.

Keep Software Updated:

Always keep your operating system, browsers, and antivirus software up to date. Use reputable and updated security tools.

Install Anti-Phishing Software:

Many security software and web browsers have anti-phishing tools that can alert you to fake websites.

Check Website URLs:

Before entering sensitive information, carefully check the website URL. Ensure the website uses the HTTPS protocol.

Use Strong and Unique Passwords:

Choose a unique and strong password for each user account. Use password management tools to store and manage your passwords.

Do Not Share Sensitive Information:

Never send sensitive information such as passwords or credit card numbers via email or text messages.

Use Temporary Emails for Registration:

Use temporary emails when registering on unknown websites and services.

Pay Attention to Browser Warnings:

If your browser warns that a website may be fake, avoid entering that site.

Strengthen Browser Security Settings:

Review and enhance your browser’s security settings. Install security plugins and extensions.

Use a Firewall:

Activate your system's firewall to control incoming and outgoing traffic and prevent unauthorized access.


Phishing attacks are a serious threat in the digital world and can cause significant damage to users' personal and financial information. Especially in the field of cryptocurrencies, these attacks can easily result in the loss of all your digital assets. Therefore, to protect yourself from such attacks, you must carefully follow security measures and precautions. Pay attention to the links you click on, and carefully examine the websites where you have user accounts. If you notice any changes, immediately exit and never enter your user information on such sites.


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