What is a BEC attack? It has caused major financial losses for companies. BEC attacks are one of the most damaging types of cybercrime, costing businesses over $2.7 billion in 2023, according to the FBI. These attacks are becoming more common. This rise in losses highlights the urgent importance for organizations to grasp BEC and defend themselves from it.
What makes BEC different from other cyber threats is its usage of social engineering instead of traditional malware or malicious links. These subtle attacks frequently evade traditional cybersecurity defenses. Their method involves taking advantage of trust to deceive employees into sending money or sensitive data through strategies that mimic trusted colleagues.
What is a BEC attack?
BEC attacks are sophisticated attacks used for fraudulent purposes by infiltrating an organization’s email system. These attacks often target financial transactions and appear to come from trusted contacts. By spoofing email addresses or compromising legitimate accounts, attackers deceive victims and cause massive financial losses. BEC attacks are hard to detect, especially targeting executives or employees handling financial transactions.
BEC attacks are more than just sending a fake email. The methods used by attackers are sophisticated and varied, making them particularly difficult to detect. Here is a breakdown of some common tactics:
- Changing the display name in the “From” field of an email is a basic yet powerful method known as display name spoofing. The attacker can make the recipient lower their defenses by sending an email that looks like it is from a familiar manager or colleague.
- Domain spoofing is a method where the sender’s email address is spoofed to imitate a real domain name. By simply modifying one letter in the domain name, like switching an “o” with a “0,” hackers can create a URL that looks nearly identical to the authentic one.
- Equally problematic are similar domain names, with attackers registering domains that closely resemble those of legitimate companies. These changes may involve subtle alterations to characters, like inserting an additional letter or substituting a character with a visually comparable one.
- Account breach: One of the most risky methods is when hackers manage to infiltrate a legitimate email account from within a company. If an attacker manages to take over a valid account, they can send fake emails that are very difficult to tell apart from genuine messages.
So that answers the question “What is a BEC attack?” If you make money online or store your information or passwords via the web, you should always be careful. As security systems are improving, hackers’ systems are improving every day. The important thing is not to get hooked.
Avoid BEC attacks by recognizing the warning signs. Be careful with emails from executives or acquaintances asking for urgent wire transfers, gift card purchases, or changes to payment details. Call them to verify if you need to. Teach your staff to identify these signals. Urge them to confirm unexpected requests via different communication methods before proceeding.
Responding quickly to a BEC incident
Even with the best defenses, no organization is completely immune to BEC attacks. When an attack occurs, a quick response is critical to minimize damage. Here’s how to respond effectively:
- Immediate containment: Stop the fraud, tell people, and stop the money from moving around to stop more money from being lost.
- Internal communication: Make sure everyone in the company knows about the breach and how to spot suspicious emails. Quick communication can stop the attack.
- Involving law enforcement: Report the incident to the police or a similar authority. They can help you recover lost funds and prevent similar attacks.
- Strengthen security post-attack: After dealing with the attack, review and improve your security. Find and fix the weaknesses that allowed the attack to happen.
We have given you the answers to many questions such as What is a BEC attack? and how to understand and protect from BEC attacks. We hope that we have helped to prevent this serious threat to businesses. As the old saying goes, “An ounce of prevention is worth a pound of cure” – and in the case of BEC, it can cost your company millions.
Featured image credit: Freepik
