Overall, the number of campaigns using LNK files has risen 1,675% since October 2021, according to Proofpoint. At Microsoft, we're inspired by people around the world who use technology to do imaginative, innovative, and life-changing things. Since February 2022, Proofpoint researchers have tracked at least 10 threat actors using LNK files. In 2020, a firm called Outflank demonstrated how MOTW can be bypassed when doing penetration testing.Ĭriminal threat actors are increasingly using ISO and LNK files for initial access in campaigns, to distribute Bumblebee malware for example, according to Proofpoint. However, a red teamer or a threat actor can bypass MOTW by using container file formats, according to Proofpoint. When certain documents are downloaded, Microsoft adds these to the file. Microsoft blocks VBA macros based on a Mark of the Web (MOTW) attribute, which shows whether a file comes from the internet - that is known as the Zone Identifier, according to Proofpoint. The amount of engineering and design work for Microsoft to do is the basic reason why the first servers in the third generation of Exchange will not appear.
The company updated changes to its end user and IT administrator documentation to make it easier for customers to know what options were available.
Last week, Microsoft resumed default blocking after temporarily suspending the rollout in early July. The Proofpoint findings mark the latest twist in an ongoing conversation about how Microsoft has managed threats targeting its widely used enterprise platforms, which millions of corporate workers and others rely on to conduct essential business functions. Microsoft To-Do is a task management app from the Wunderlist team, with plans to replace Wunderlist with this app once all Wunderlist features are moved.
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