A cyber-attack can have serious consequences for a business depending on the nature of the threat. It can result in a severe financial loss – not just from the direct attack, but from indirect costs. These could include legal fees, operational disruptions, and a damaged brand reputation.
It is critical to be aware of potential threats and how you can protect your business against them. So, here are the top 13 email threats that you need to know about and defend against.
This is one of the most common threats facing business today. It consists of unsolicited bulk email messages that are sent to many email addresses. Some might push scams or conduct email fraud. Others might impersonate brands and trick recipients into revealing personal information. Usually, modern email gateways can effectively filter out these emails.
Emails can deliver malicious software or malware. Usually, this is hidden in documents or in an embedded script that downloads it from an external site. Common types include viruses, trojans, spyware, worms, and ransomware. Like spam, this is best filtered out by the email gateway. But, there are more advanced techniques, such as sandboxing, that provide extra protection.
This is the unauthorized transfer of data from one device to another – usually through malicious programming on the internet. Such attacks are usually targeted and aim to access a network or machine. For protection, businesses can use data loss prevention technologies. These scan outgoing emails for sensitive data and automatically encrypt them.
In this case, cyber-criminals direct email recipients to fake websites that look legitimate. Usually, the emails encourage you to input sensitive information such as passwords or banking details. API-based inbox defense offers business protection. It does this by enabling a historical, internal view of actual URLs used by an organization.
Scamming involves fraudulent schemes that trick victims into disclosing personal information. Common examples include job postings, investment opportunities, inheritance notifications, fund transfers, and lottery prizes. API-based inbox defense also protects against scamming. It uses historical email communications to determine normal email styles between employees.
This is a very specific form of phishing where cybercriminals research their targets to craft targeted emails. They might impersonate a colleague or well-known business to obtain sensitive information.
They may also use tactics such as urgency, brevity, or pressure to manipulate the recipient. These are notoriously difficult to detect without an API-based inbox defense.
This involves attackers using specific techniques such as typo-squatting or replacing letters in an otherwise legitimate email domain. Thus, this threat can be easy to miss. Luckily, email gateways often build lists of legitimate domains of businesses. Also, API-based inbox defense associates specific individuals with particular domains. Thus, it can detect and block unusual requests.
This tricks victims into disclosing personal information by impersonating a well-known brand. DMARC authentication can help prevent this by reporting how an email domain is used.
In blackmail, hackers leverage obtained information to pressure a victim into giving them money. Email gateways that recognize communication patterns can identify this type of threat.
10.Business Email Compromise
BEC is another specific form of attack. It involves cybercriminals impersonating business employees. Often, they target employees with access to company finance or sensitive information. Then, they pressure them to disclose information. API-based inbox defense and email gateways can help prevent this.
Conversation hijacking involves cybercriminals inserting themselves into an existing conversation attempting to obtain sensitive information. This requires understanding the business operations and can be reduced with API integration.
This involves hackers taking over recently hijacked company accounts to send phishing emails to many employees. Being from a recognized source, they are often successful. But API integration can help defend against this.
This is a complex form of identity theft and fraud. Cybercriminals use phishing to gain account credentials. Afterward, they might monitor business activities to launch other attacks. You can sometimes prevent this with an inbox defence that detects unusual activity.
The Bottom Line
With vigilance and awareness, a business can train employees to detect suspicious emails. When coupled with email defenses, this can reduce the vulnerability of a business to these threats. To learn more on how to protect your business from email threats, reach out to one of our MicroAge locations.
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