Phishing emails targeting businesses skyrocket in early 2021
March 16, 2021

Phishing emails targeting businesses skyrocket in early 2021

As the trend of working from home starting from the beginning of 2019 has become more and more popular, more work is handled via email, and so are phishing emails. Personal computers and home networks are often not as secure as corporate networks, so people working from home are potential targets of cybercriminals.

The most common malware distribution methods are phishing and spam emails that account for more than 52% of attacks in 2020 and the first half of 2021. Attackers impersonate work emails. sending new employees to work from home, often lacking security on remote work devices, unfamiliar with new workflows, and easily fooled.

To make it easier to lure victims, the hacker will also spoof the targeted company's domain name to ensure that the victim opens and reads the message. Corporate email attacks use phishing techniques to target specific company employees, usually the company's Finance department, and try to convince them to transfer large sums of money to their accounts. third-party banks controlled by attackers.

The next most common victim is new employees working from home, often lacking security on their remote work devices, unfamiliar with new workflows, and easily fooled. At offices of companies that have multi-layer security, when you receive an email from a colleague, you can also quickly check and ask again. Company computers also have pre-installed security software.

At work, there is someone to ensure network safety, but when working from home, you must protect yourself against the risk of attacks. Even if you use a personal computer at work because personal computers often do not have the same tight security as corporate computers.

According to a report by F-Secure, usually, one in three spam emails has a malicious file attached, the rest contains a URL link. Attached files are often displayed as documents containing important information such as urgent topics, just click on the file and the malicious software will be downloaded and automatically run on the victim's device.

Attack data collected from F-Secure endpoint security software (EPP Endpoint Protection) from January 1, 2021, to May 21, 2021, reported data is based on an average attack of 10,000 users.

Although the risk of cyberattacks is many, diverse, and common with everyone working online, prevention is not too difficult. To ensure safe and secure working from home, follow these guidelines on how to work remotely safely:

Use anti-virus software: even free anti-virus software or software that comes with Windows is better than no antivirus software installed. Software and system updates, most malware exploits only discovered vulnerabilities in software and systems (operating systems, hardware, or network devices).

Secure the network at home, encrypt the WiFi network with just one simple action, set the WiFi password at home, you have both prevented people from using the temple, consuming network bandwidth, slowing down the network but also avoiding hackers from eavesdropping on data. . Many people set the wifi password as a sequence of 8 numbers, but that's very low security. A highly secure password is a combination of numbers and lowercase and uppercase letters, and special characters such as %^*.

Ensure access on a secure private network VPN, especially when connecting over public WiFi When your computer connects to a public WiFi network, anyone with the password for that WiFi network can eavesdrop on your data access the Internet from your computer, even access your computer if you do not have access blocking turned on. So when accessing a public WiFi network, you need to connect via a secure private VPN network. There are many VPN tools

Distribution of types of malware in Vietnam's cyberspace.

Limit too much screen sharing on online meetings

When you share your screen excessively, you can reveal important information such as file names on the desktop, wifi network names, or password hints, the content of work emails. Hackers can also know which email you often deal with to spoof your email to send to that partner, requesting a money transfer, for example.

Beware of spam or scam emails example related to Covid-19 The most common phishing email content on the internet right now is about Covid 19, for example transferring money to register for early vaccinations, making charitable contributions to the tribe In the Amazon forest, which has been heavily affected by the Covid 19 pandemic… With such fraudulent content, it is best not to respond but mark it as spam, even less transfer money because it will be lost.

Do not share personal information via messages or social networks

You can't tell who you're talking to, not even your best friend. This personal information will stay online forever, even if the person you talk to is hacked later, and the hacker will exploit that personal information to continue hacking your nick.

Create a good working environment.

No one knows how long this epidemic situation will continue, it is best to create the most comfortable working environment to enjoy yourself and maximize work efficiency. If you yourself are uncomfortable with the way you work from home, change the environment around you such as changing the working angle, lighting, music, or simply the correct sitting posture will reduce spine pain.

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