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vbs as well as all unusual file attachments, such as. Carefully consider employing a strict inbound email policy with the following measures: 1) Quarantine or flag all executable files, including Java scripts such as.

Lock down inbound email traffic content as much as possible.

This gateway can be on-premises or in the cloud but should include multiple levels of technology, including anti-spam and anti-malware tools and flexible policy-based content filtering abilities. To help organizations protect themselves and their users against email-based cyberthreats, Trustwave offers the following advice: вЂњHow fast threats are detected and eliminated is the top cybersecurity priority in every industry.вЂќ вЂњWe continue to see the global threat landscape evolve through novel malware delivery, inventive social engineering and the ways malicious behaviors are concealed,вЂќ Wong said. вЂњOur 2019 findings depict organizations under tremendous pressure contending with adversaries who are methodical in selecting their targets and masterful at finding new pathways into environments as the attack surface widens,вЂќ Arthur Wong, chief executive at Trustwave, said in a press release. For 2019, Trustwave said it blocked an average of 60 BEC messages each day. Usually aimed at a specific type of employee, either a midlevel executive or a financial officer, these emails often claim to be from a CEO or other important party in an attempt to convince the recipient to send money or share sensitive financial information.

The Business Email Compromise (BEC) is a more targeted type of phishing email. For their phishing pages and malware, theyвЂ™ll turn to popular cloud services such as Microsoft OneDrive, Google Drive, Box, and Dropbox.

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For their malicious landing pages, phishers often use free hosting sites such as Wix Site and Weebly.

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Many target users of Outlook and Office 365 with requests to verify their accounts, change their passwords, upgrade their mailbox quota, or listen to a voicemail. Phishing attacks also use a few different strategies. Directed toward specific types of users, these messages often spoof well-known organizations and brands, including Microsoft, Google, DHL, PayPal, and Dropbox. In 2019, phishing messages comprised 9% of all spam, up from just 3% in 2018.

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Other common malicious file attachments included Windows executable files, HTML files, rich-text-format files, and JavaScript files.Д«ut cybercriminals have amped up their email game by using more targeted phishing attacks. The Emotet and Cutwail botnets accounted for most of this activity, stuffing documents with malicious macros. More than half of the malicious file attachments found by Trustwave were for Microsoft Office, with almost half of them Word. These types of scams are lucrative as they can bring in thousands of dollars, according to Trustwave.Д®mail messages with malicious attachments have declined since Microsoft and others put an end to the Necors botnet. In exchange for not releasing this information publicly, the hacker demands that the person pay a ransom in the form of bitcoins. These types of campaigns typically claim that the victims have been hacked or infected with malware, thus allowing the hacker to gain access to private information such as passwords or videos of the user performing sexual acts or watching pornography. However, spam involving extortion scams rose toward the end of 2018 and on into last year. Security incident response: Critical steps for cyberattack recovery (TechRepublic Premium)

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The largest category of spam analyzed by Trustwave promoted fake drug and health cures, accounting for 39% of all junk mail. Several major spam operations and botnets have disappeared or cut back on their activities in recent years, leading to this dramatic reduction in spam.

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On the plus side, the volume of spam seen by the security firm Trustwave dropped to 28% of all inbound mail in 2019, a healthy decline from the 45% seen in 2018 and a peak of 87% from 2014. SEE: Cybersecurity: LetвЂ™s get tactical (free PDF) Released on Wednesday, the 2020 Trustwave Global Security Report looks at the latest types of email attacks and offers advice on how organizations can defend against them. Through phishing emails, scams, and malicious links and file attachments, bad actors hope to convince unsuspecting users to take the bait.Д«ecause mass spam emails are now both less frequent than in the past and largely blocked from reaching users, attackers have found greater success deploying more targeted types of campaigns. But one of the most pervasive tools is the email attack.

Cybercriminals use a variety of tricks and tools to target organizations with malware for financial gain and other motives.