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How can enterprises stop fileless malware? <\/span><\/p>\n This is far from an idle question. Fileless malware constitutes one of the most pressing and dangerous threats enterprises face today. While ransomware and cryptocurrency mining malware continue to pose a serious digital risk to businesses, none compare to the potential of fileless malware. <\/span><\/p>\n So what is fileless malware? And how can adopting next-gen endpoint security help you stop fileless malware? Which capabilities should enterprises value more in preventing these attacks? We answer these questions and more. \u00a0\u00a0<\/span><\/p>\n Fileless malware describes a variety of cyber attacks which don\u2019t operate in the same manner as traditional malware. <\/span><\/p>\n Usually, traditional malware requires the download of a malicious file onto the enterprise\u2019s network. From this file, traditional malware can trigger their codes and programs, achieving their nefarious goals and spreading throughout the network. <\/span><\/p>\n Thankfully, most legacy endpoint security solutions utilize signature-based threat detection and prevention. This type of detection can discover malicious files on on networks and remove them. However, fileless malware doesn\u2019t require a file download to operate\u2014much to the peril of legacy endpoint security solutions.<\/span><\/p>\n Fileless malware can steal passwords, data, browsing history, and enterprise finances. Additionally, fileless malware can allow hackers to engage in lateral attacks, granting them an unmonitored foothold in your enterprise network. Furthermore, a fileless malware attack can disrupt business processes, commandeer endpoints, and conduct other kinds of digital infiltration. <\/span><\/p>\n Instead, fileless malware exploits native processes on your enterprise endpoints themselves. Usually, this involves leveraging PowerShell, a task automation and configuration management framework. PowerShell operates entirely on memory and doesn\u2019t require installed files to function. <\/span><\/p>\n At its core, fileless malware can piggyback off the PowerShell scripts as it runs those functions. In other words, these cyber attacks embed malicious scripts into the regular scripts. By doing so, hackers can conceal their attacks, disguising them as extensions of normal processes. \u00a0\u00a0\u00a0\u00a0<\/span><\/p>\n PowerShell is a legitimate process on your endpoints. It handles routine administrative and maintenance related tasks; you can\u2019t just turn it off (without causing serious damage to your processes). Moreover, their functions are considered normal baseline behaviors; they don\u2019t rouse traditional endpoint security or behavior analytics alerts. <\/span><\/p>\n Additionally, you can\u2019t stop good actors from using the native processing hackers exploit with these cyber attacks. Thus, fileless malware exploits what essentially serve as perpetual backdoors into your networks. It leaves no footprints, and any system reboot essentially erases what evidence of the attack lingers. \u00a0\u00a0<\/span><\/p>\n To understand how to stop <\/span>fileless malware<\/span><\/a>, you first need to understand how common fileless malware has become in recent years. Thankfully, several cybersecurity vendors and researchers explore the infection rates of this new breed of cyber attack. And not a moment too soon either; hackers have adopted fileless malware attacks only too readily. \u00a0<\/span><\/p>\n According to the <\/span>Symantec Internet Security Threat Report for February 2019<\/span><\/a>, malicious Powershell script attacks rose over 1000% in 2018. Endpoint security solution provider <\/span>Carbon Black<\/span><\/a> found fileless malware accounts for more than 50% of successful enterprise breaches. 97% of their customers have experienced a fileless malware attack over the past two years. In particular, PowerShell accounts for 89% of fileless malware attacks. <\/span><\/p>\n Meanwhile, fellow endpoint security provider <\/span>FireEye<\/span><\/a> previously found 90% of blocked attacks contained malware-less threats. 81% of blocked fileless malware email attacks came in the form of phishing.<\/span><\/p>\n Ransomware and cryptojacking<\/span><\/a> continue to battle for the position of top cyber attack. But fileless malware is on the rise, and many enterprises aren\u2019t prepared for it. \u00a0\u00a0\u00a0\u00a0<\/span><\/p>\n
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<\/p>\nWhat is Fileless Malware? <\/b><\/h2>\n
How Does Fileless Malware Function? <\/b><\/h2>\n
How Common are Fileless Malware Attacks? <\/b><\/h2>\n
How to Stop Fileless Malware<\/b><\/h2>\n
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