LinkedIn: Unauthorized access to resumes stored on LinkedIn

Researcher found an IDOR on an endpoint where a recruiter could download resumes without the appropriate access - This security issue was unintentionally introduced in late-October 2022 - The reporter reached out and provided details to LinkedIn on this security issue in November 2022 - LinkedIn...

North Korean Hackers Targeting Europe and Latin America with Updated DTrack Backdoor

Hackers tied to the North Korean government have been observed using an updated version of a backdoor known as Dtrack targeting a wide range of industries in Germany, Brazil, India, Italy, Mexico, Switzerland, Saudi Arabia, Turkey, and the U.S. "Dtrack allows criminals to upload, download, start ...

Microsoft threat intelligence presented at CyberWarCon 2022

At CyberWarCon 2022, Microsoft and LinkedIn analysts presented several sessions detailing analysis across multiple sets of actors and related activity. This blog is intended to summarize the content of the research covered in these presentations and demonstrates Microsoft Threat Intelligence...

Microsoft threat intelligence presented at CyberWarCon 2022

At CyberWarCon 2022, Microsoft and LinkedIn analysts presented several sessions detailing analysis across multiple sets of actors and related activity. This blog is intended to summarize the content of the research covered in these presentations and demonstrates Microsoft Threat Intelligence...

LinkedIn Adds Verified Emails, Profile Creation Dates

Responding to a recent surge in AI-generated bot accounts, LinkedIn is rolling out new features that it hopes will help users make more informed decisions about with whom they choose to connect. Many LinkedIn profiles now display a creation date, and the company is expanding its domain validation...

LinkedIn introduces new security features to combat fake accounts

LinkedIn knows it has a problem with bots and fake accounts, and has acknowledged this on more than one occasion. For years, it has been aware of spam, fake job offers, phishing, fraudulent investments, and at times malware, and has been trying to combat those issues. In 2018, LinkedIn rolled out...

Battle with Bots Prompts Mass Purge of Amazon, Apple Employee Accounts on LinkedIn

On October 10, 2022, there were 576,562 LinkedIn accounts that listed their current employer as Apple Inc. The next day, half of those profiles no longer existed. A similarly dramatic drop in the number of LinkedIn profiles claiming employment at Amazon comes as LinkedIn is struggling to combat a...

Experts Warn of Stealthy PowerShell Backdoor Disguising as Windows Update

Details have emerged about a previously undocumented and fully undetectable FUD PowerShell backdoor that gains its stealth by disguising itself as part of a Windows update process. "The covert self-developed tool and the associated C2 commands seem to be the work of a sophisticated, unknown threa...

LinkedIn: IDOR to make someone attend or leave an event

An Insecure Direct Object Reference IDOR vulnerability was discovered in LinkedIn's event attendance functionality. The vulnerability allowed an attacker to manipulate event attendance by modifying the fsdprofile parameter in POST requests to the voyagerScheduledcontentDashViewerStates API...

Complex Impersonation Story

This is a story of one piece of what is probably a complex employment scam. Basically, real programmers are having their resumes copied and co-opted by scammers, who apply for jobs or, I suppose, get recruited from various job sites, then hire other people with Western looks and language skills a...

LinkedIn: User Details Can Be Disclosed Even If The Account IS In Hibernation State

User details were disclosed via link previews on LinkedIn posts even when the account was in hibernation state...

Glut of Fake LinkedIn Profiles Pits HR Against the Bots

A recent proliferation of phony executive profiles on LinkedIn is creating something of an identity crisis for the business networking site, and for companies that rely on it to hire and screen prospective employees. The fabricated LinkedIn identities -- which pair AI-generated profile photos wit...

Bogus job offers hide trojanised open-source software

Microsoft researchers are warning of fake job offers where the only actual compensation available is a golden handshake of malware and trickery. The campaign targets those with technical know-how because, despite what some may think, scams are for everybody, not just people unfamiliar with tech...

North Korean Hackers Weaponizing Open-Source Software in Latest Cyber Attacks

A "highly operational, destructive, and sophisticated nation-state activity group" with ties to North Korea has been weaponizing open source software in their social engineering campaigns aimed at companies around the world since June 2022. Microsoft's threat intelligence teams, alongside LinkedI...

Fake CISO Profiles on LinkedIn Target Fortune 500s

Someone has recently created a large number of fake LinkedIn profiles for Chief Information Security Officer CISO roles at some of the worlds largest corporations. Its not clear whos behind this network of fake CISOs or what their intentions may be. But the fabricated LinkedIn identities are...

ZINC weaponizing open-source software

In recent months, Microsoft has detected a wide range of social engineering campaigns using weaponized legitimate open-source software by an actor we track as ZINC. Microsoft Threat Intelligence Center MSTIC observed activity targeting employees in organizations across multiple industries includi...

ZINC weaponizing open-source software

In recent months, Microsoft has detected a wide range of social engineering campaigns using weaponized legitimate open-source software by an actor we track as ZINC. Microsoft Threat Intelligence Center MSTIC observed activity targeting employees in organizations across multiple industries includi...

LinkedIn: Unauthorized User can View Subscribers of Other Users Newsletters

A vulnerability existed in the LinkedIn Voyager platform that allowed unauthorized users to view the subscriber list and details of other users' newsletters by replaying a vulnerable request using the victim's NewsletterId. This was due to missing server-side authorization checks on a specific AP...

North Korea's Lazarus Hackers Targeting macOS Users Interested in Crypto Jobs

The infamous Lazarus Group has continued its pattern of leveraging unsolicited job opportunities to deploy malware targeting Apple's macOS operating system. In the latest variant of the campaign observed by cybersecurity company SentinelOne last week, decoy documents advertising positions for the...

LinkedIn: A Unverified User Can Post Newsletter (Which Is Not Allowed Through Application UI)

A vulnerability was discovered in LinkedIn that allowed unverified users to create newsletters, even though this feature was not accessible to them through the application's user interface. By sending a specific request with the unverified user's cookie, the newsletter creation API could be...