{"id":29270,"date":"2022-08-15T14:23:09","date_gmt":"2022-08-15T14:23:09","guid":{"rendered":"https:\/\/easydmarc.com\/blog\/?p=29270"},"modified":"2023-07-07T10:32:33","modified_gmt":"2023-07-07T10:32:33","slug":"safety-tips-for-handling-malicious-email-attachments","status":"publish","type":"post","link":"https:\/\/easydmarc.com\/blog\/safety-tips-for-handling-malicious-email-attachments\/","title":{"rendered":"Safety Tips for Handling Malicious Email Attachments"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Emails are the leading form of communication worldwide. But <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\"> are an everyday occurrence. So how do you deal with them?\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Emails with malicious attachments can spread viruses among networks and systems quite easily\u2014without you even forwarding the email. Security experts and IT departments do their best to mitigate threats like <\/span><a href=\"https:\/\/easydmarc.com\/blog\/12-types-of-phishing-attacks-and-how-to-identify-them\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">phishing attacks<\/span><\/a><span style=\"font-weight: 400;\">, but they can\u2019t do much if users aren\u2019t educated about them.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You may be wondering <\/span><b>what malicious email attachments are <\/b><span style=\"font-weight: 400;\">exactly. The answer is pretty simple. They\u2019re executable files disguised as PDFs, text files, word documents, zip files, etc. attached to email messages, and designed to unload malware onto your system with a single click.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">No network is 100% protected against these files. That\u2019s why it\u2019s so important to know everything you can about them. <\/span><a href=\"https:\/\/easydmarc.com\/blog\/cyber-threat-actors-how-to-spot-phishing-emails\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Cyber threat actors<\/span><\/a><span style=\"font-weight: 400;\"> are always thinking up new ways to scam victims,\u00a0 but malware-loaded emails aren\u2019t going anywhere.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">So how do you protect your company and customers from such threats?\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Knowing <\/span><b>which email attachments may contain something malicious<\/b><span style=\"font-weight: 400;\"> is an excellent start\u2014but it can be tricky. We discuss the best tips to handle malicious attachments below\u00a0 Let\u2019s dive in!<\/span><\/p>\n<h2><b>Set Up a Secure Environment<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The <\/span><b>common types of malicious attachments hackers use <\/b><span style=\"font-weight: 400;\">include self-replicating <\/span><a href=\"https:\/\/easydmarc.com\/blog\/what-is-a-computer-worm-and-how-does-it-work\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">worms<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/easydmarc.com\/blog\/what-is-a-trojan-and-how-does-it-work\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">trojans<\/span><\/a><span style=\"font-weight: 400;\">, <\/span><a href=\"https:\/\/easydmarc.com\/blog\/ransomware-attacks-a-complete-guide\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">ransomware<\/span><\/a><span style=\"font-weight: 400;\">, and other <\/span><a href=\"https:\/\/easydmarc.com\/blog\/what-is-malware-and-how-can-you-prevent-it\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">malware<\/span><\/a><span style=\"font-weight: 400;\">. Thus, a secure environment for your data and network is vital.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Your email infrastructure plays a major role here. Make sure your antivirus software and firewall is up to date. A\u00a0 solid <\/span><a href=\"https:\/\/easydmarc.com\/blog\/benefits-of-data-loss-prevention\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Data Loss Prevention<\/span><\/a><span style=\"font-weight: 400;\"> strategy is also important.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">However, the best way to secure your communications is by authenticating your domain using DMARC protocols.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DMARC authentication works alongside the two main verification policies used for <\/span><a href=\"https:\/\/easydmarc.com\/blog\/10-best-practices-for-business-email-security-for-2022\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">email security<\/span><\/a><span style=\"font-weight: 400;\">, SPF and DKIM. With a proper <\/span><a href=\"https:\/\/easydmarc.com\/blog\/dmarc-step-by-step-guide\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DMARC setup<\/span><\/a><span style=\"font-weight: 400;\">, cybercriminals can\u2019t use your company\u2019s name, domain, and reputation to send <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\"> to unsuspecting victims.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DMARC protects your customers from scams, spoofs, and phishing emails while increasing your reputation as a sender. There are other security measures you can enforce, but domain authentication is one of the safest ways for recipients to filter malicious attachments.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here are other ways to protect your organization from <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\">:<\/span><\/p>\n<h3><b>Use Spam Filters<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Spam filters are designed to help you keep malicious emails at bay, either by filtering their access into your network or blocking them. There are multiple spam filters in the market, but most ESPs have built-in defense mechanisms. Check the configuration settings to ensure no <\/span><b>emails with malicious attachments<\/b><span style=\"font-weight: 400;\"> enter your network.<\/span><\/p>\n<h3><b>Scan Incoming Emails<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Scanning for <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\"> is a common practice these days. There are a few ways to go about this. First, verify the source of the email. Next, run a scan using antivirus software. After that, use the preview option offered by most ESPs.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These previews are small thumbnails that allow you to see what type of file you\u2019re receiving. If the file and the actual email seem legitimate, scan it once more and confirm receipt with the sender before opening it.\u00a0<\/span><\/p>\n<h3><b>Turn Off Automatic Downloads<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A solid way to deal with <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\"> is by turning off automatic downloads. Many ESPs offer this feature for convenience but it can be dangerous. The same goes for messaging apps like WhatsApp, etc. It\u2019s best to turn off this option and review your emails securely.<\/span><\/p>\n<h2><b>Stay Alert<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Avoid falling prey to <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\"> by staying alert and combining security protocols with education. Your employees can help secure your network by following certain security practices. Here are some top tips to include in your cybersecurity policies:<\/span><\/p>\n<h3><b>Unsubscribe From Unsolicited Bulk Emails<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">By now, most emails are included in some form of database sold online. Your company\u2019s email isn\u2019t safe from this practice. Bulk emails can arrive in your inbox without notice. Many times it\u2019s impossible to know if these messages include a <\/span><b>dangerous email attachment<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For the sake of keeping a safe environment, it\u2019s best to unsubscribe from these mailing lists. Never give your email address to untrustworthy websites and avoid sharing your personal corporate email address with the public. If you buy a product or sign up for a service, use an alternate email just in case.\u00a0<\/span><\/p>\n<h3><b>Don\u2019t Send Sensitive Information Over Email<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">You never know when someone is watching and using your confidential info to spread <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Once you send an email with personal information, you don\u2019t know what the receiver will do with it. Never include information such as your full name, social security number, bank accounts, passwords, or other similar data. No service ever asks for this information, so be suspicious of any email that does.<\/span><\/p>\n<h3><b>Avoid Open Wi-Fi as Much as Possible<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Public networks are one of the easiest ways to spread <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\">. They\u2019re a favorite playground for hackers to access loads of personal data. Cyber actors can use public networks to harvest usernames, email addresses, and login information.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">They\u2019re also fertile ground for <\/span><a href=\"https:\/\/easydmarc.com\/blog\/12-types-of-phishing-attacks-and-how-to-identify-them\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">phishing<\/span><\/a><span style=\"font-weight: 400;\"> and other <\/span><a href=\"https:\/\/easydmarc.com\/blog\/top-10-most-common-types-of-cyber-attacks\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">cyberattacks<\/span><\/a><span style=\"font-weight: 400;\"> loaded with <\/span><a href=\"https:\/\/easydmarc.com\/blog\/what-is-malware-and-how-can-you-prevent-it\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">malware<\/span><\/a><span style=\"font-weight: 400;\">. Most people are unaware of how unsafe public networks can be. If you must use a public wi-fi, try to avoid using any accounts storing sensitive information.\u00a0\u00a0\u00a0<\/span><\/p>\n<h3><b>Practice Good Password Hygiene<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Password collectors and keystroke loggers are the most <\/span><b>common types of malicious attachments hackers use<\/b><span style=\"font-weight: 400;\">. You can <\/span><a href=\"https:\/\/easydmarc.com\/blog\/how-to-prevent-malware-attacks-in-2022\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">prevent these attacks<\/span><\/a><span style=\"font-weight: 400;\"> by maintaining good password hygiene.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Make sure to change your passwords frequently. The recommended lifespan of a password is three months. If this is too bothersome for you, then focus on building a strong password using a combination of sentences, different cases, special characters, and numbers. Investing in a credible <\/span><span style=\"font-weight: 400;\">password manager<\/span><span style=\"font-weight: 400;\"> is also worthwhile.<\/span><\/p>\n<h3><b>Don\u2019t Open Emails from Untrusted Sources<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Many victims fall for cyberattacks because they don\u2019t know <\/span><b>which email attachments may contain something malicious<\/b><span style=\"font-weight: 400;\">. Most of these folks also open any email they get indiscriminately, without checking their source.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Your team should never open emails if they don\u2019t know the source. This applies to any email coming from an outside or inside source. All emails should be thoroughly examined, especially if they\u2019re from an unknown sender It\u2019s still wise to verify the email if it appears to come from someone known.<\/span><\/p>\n<h3><b>Advocate for DMARC in Your Organization<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">We\u2019ve already mentioned a few things about <a href=\"https:\/\/easydmarc.com\/blog\/dmarc-the-ultimate-guide\/\" target=\"_blank\" rel=\"noopener\">DMARC<\/a> protocols. With a strong <\/span><a href=\"https:\/\/easydmarc.com\/blog\/what-is-a-dmarc-policy\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DMARC policy<\/span><\/a><span style=\"font-weight: 400;\"> in place, you\u2019ll protect customers from receiving fraudulent messages in your company\u2019s name that often contain <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You\u2019ll become a trusted sender for all your clients, vendors, and business partners. They\u2019ll know your emails are legitimate and come directly from the source. Cybercriminals won\u2019t be able to spoof your domain to scam them, either.<\/span><\/p>\n<h2><b>Final Thoughts<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Dealing with <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\"> is the bane of many IT teams\u2019 and cybersecurity companies\u2019 existence. As a business owner, you can prevent much of the damage inflicted by these attachments with education and <\/span><a href=\"https:\/\/easydmarc.com\/blog\/top-5-data-security-protocols-in-2021\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">security protocols<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Setting up a <\/span><a href=\"https:\/\/easydmarc.com\/blog\/6-best-data-loss-prevention-strategies\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DLP strategy<\/span><\/a><span style=\"font-weight: 400;\"> can help keep your data and network safe. But the best way to <\/span><a href=\"https:\/\/easydmarc.com\/blog\/how-to-prevent-malware-attacks-in-2022\/\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">prevent these attacks<\/span><\/a><span style=\"font-weight: 400;\"> is by keeping your communications secure. There\u2019s a lot you can do to avoid being affected by <\/span><b>malicious email attachments<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Use the spam filters included in your ESP,\u00a0 scan all incoming messages, and make sure your antivirus is updated and ready to analyze all attachments in your inbox.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Use the preview system adopted by most email providers to look at the files in your emails. Keep an eye out for unsafe practices. Never send personal data in your emails, don\u2019t use public networks, and create strong passwords.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You can always advocate for using DMARC policies in your company. It\u2019s the safest way to keep your communications secure. <\/span><a href=\"https:\/\/easydmarc.com\/contact-us\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Contact EasyDMARC<\/span><\/a><span style=\"font-weight: 400;\"> to find out how we can make your email domain more secure\u2014the easy way.<br \/>\n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Emails are the leading form of communication worldwide. &#8230;<\/p>\n","protected":false},"author":1,"featured_media":32132,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[204,203],"tags":[],"class_list":["post-29270","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-email-security"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Safety Tips for Handling Malicious Email Attachments | EasyDMARC<\/title>\n<meta name=\"description\" content=\"Dealing with malicious email attachments is still a headache for many security experts. 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