Tag: microsoft teams
32 articles
Microsoft Teams Targeted in Voice Phishing Campaigns
Beware of voice phishing scams on Microsoft Teams! A recent campaign, dubbed Spring Ring, used fake IT help desk accounts to trick over 150 employees across 10 organizations into granting remote access.
Microsoft Bolsters Teams Security With Automated Bot Blocking
Microsoft just supercharged Teams security with a game-changing update that automatically blocks suspicious bots from crashing your meetings. Now, you can keep unwanted guests out for good, with no need for manual approval.
SynkLoader Malware Targets Microsoft Teams Users in Phishing Campaign
Beware of phishing messages on Microsoft Teams that claim to be from your IT help desk - they may be laced with SynkLoader malware, a newly discovered threat that's being spread through seemingly legitimate downloads hosted on Microsoft Azure. These attacks use a clever tactic to gain your trust, but don't be fooled!
Attackers Exploit Trusted Collaboration Platforms for Identity Abuse
Collaboration platforms like Microsoft Teams and Slack have become a prime target for attackers, who are exploiting their trusted status to launch identity abuse attacks through chat phishing operations. These attacks are thriving, with 99% of alerts generated by one study related to chat phishing, signaling a major shift away from traditional email-based attacks.
TWINLOOT Exploits Microsoft Services to Steal Credentials
Meet TWINLOOT, a sneaky Python implant that hides its command-and-control infrastructure inside trusted Microsoft services, making it super hard to detect. It uses SharePoint Online and Microsoft Teams to operate undetected, even leveraging a victim's own Edge browser to blend in.
Microsoft Teams Impersonation Attacks Deploy Chaos Ransomware
Cyber attackers are impersonating IT helpdesk staff on Microsoft Teams to trick employees into installing ransomware, with one financially motivated operation deploying Chaos ransomware in a matter of minutes. They use convincing voice calls and chats to gain remote access, often within just 2-3 minutes.
Phishing Campaign Exploits Microsoft Authentication
Cyber attackers have found a sneaky new way to steal corporate accounts by exploiting Microsoft's authentication process, making it harder to spot fake requests. They've been sending emails that look like Microsoft Teams notifications, leading victims to a legitimate Microsoft URL that tricks them into granting access.
Phishing Campaign Operation BlueDash Targets Teams Users with RMM Tools
Beware of Operation BlueDash, a sneaky phishing campaign that tricks Microsoft Teams users into downloading malicious RMM tools by masquerading as a genuine Microsoft Store update. Victims are cleverly directed to a fake store page that claims Teams needs to be updated to access a shared document.
Microsoft Teams Users Targeted by Fake IT Support Scam
Beware of fake IT support scammers on Microsoft Teams who are tricking unsuspecting workers into installing malware by posing as tech support staff. These impostors are using the popular collaboration platform to deceive and compromise employee devices.
Microsoft Teams Abused to Deploy EtherRAT Malware via Fake IT Support Calls
Beware of fake IT support calls on Microsoft Teams - hackers are using convincing tactics, including a phishing email with a malicious PDF, to trick victims into downloading the potent EtherRAT malware. They impersonate system administrators to gain your trust, making it crucial to stay vigilant.
Microsoft Bolsters Teams Security with Enhanced Bot Controls
Microsoft's new Teams admin policy gives you more control over third-party bots in meetings, allowing you to block unwanted guests and require explicit approval for external bots to join. This enhanced security feature can be easily managed for individual users or specific groups through the Teams Admin Center.
Microsoft Bolsters Teams Security with Enhanced Bot Protections
Microsoft is stepping up its Teams security game with enhanced bot protections, allowing admins to block third-party bots from joining meetings without approval. This new policy gives organizations greater control over who can access their meetings, helping to prevent malicious apps and unwanted disruptions.
Microsoft Fortifies Teams Against Bot Intrusions
Microsoft is stepping up its game to protect Teams meetings from unwanted bot intrusions by introducing a virtual bouncer that keeps automated accounts at bay. This new defensive measure is a significant boost to Microsoft Teams security.
Malicious Edge Extension Exploits Native Messaging for Malware Deployment
Beware of malicious Edge extensions that can deploy malware through native messaging, with attackers using social engineering tactics on Microsoft Teams to trick victims into installing fake updates. Once infected, victims are presented with a fake Outlook update page offering three options to deploy the Edgecution malware.
DragonForce Hackers Exploit Microsoft Teams to Conceal Backdoor Traffic
Meet Backdoor.Turn, a sneaky malware that uses Microsoft Teams to hide its secret communication with hackers, leveraging the platform's relay infrastructure to stay under the radar. By masquerading as a legitimate connection, it allows attackers to remotely control infected systems undetected.
Ransomware Gang Exploits Microsoft Teams for C2 Traffic
Meet the sneaky ransomware gang that hijacked Microsoft Teams to secretly control its victims' systems for two whole months, using sophisticated cyber tradecraft to stay under the radar. They pulled off this impressive heist with a custom backdoor and some clever C2 traffic disguises.
DragonForce Ransomware Exploits Microsoft Teams to Facilitate Months-Long Breach
Meet Backdoor.Turn, a sneaky new threat that uses Microsoft Teams to hide its tracks and wreak havoc on your network for months on end - and it's surprisingly sophisticated. This Go-based RAT masquerades as legit traffic by exploiting Teams' TURN relay servers.
Ransomware Gang Exploits Microsoft Teams to Conceal Malicious Traffic
Meet Backdoor.Turn, a sneaky new malware that's abusing Microsoft Teams to hide its malicious activities - and it's a game-changer for cyber threats. This clever RAT uses Teams' own infrastructure against us, making it harder to spot its secret communications.
Threat Actors Exploit Microsoft Teams for Phishing Attacks
Phishing attacks are getting smarter, with threat actors now using trusted platforms like Microsoft Teams to target unsuspecting employees, accounting for 42% of all phishing alerts in just the first four months of 2026. These sneaky messages can land directly in your feed, masquerade as internal IT support, and trick you into taking action with alarming ease.
Microsoft Probes Office Apps, Teams File Access Outage
Microsoft is currently investigating an issue that's preventing some users from accessing files in Office for the web and Microsoft Teams, with affected users seeing an error message stating that Office Online services are temporarily unavailable. The company is working to restore services as soon as possible.
Microsoft Teams Hit by macOS Update Glitch
If you're a macOS user of Microsoft Teams, you might have encountered a frustrating glitch - a location-permission dialog that just won't go away, no matter how many times you click "Don't Allow". This annoying issue started surfacing on May 11, with some users reporting they had to click "Don't Allow" up to 20 times in a row.
KongTuke Hackers Exploit Microsoft Teams for Rapid Corporate Breaches
KongTuke hackers have found a lightning-fast way to breach corporations, exploiting Microsoft Teams to go from initial contact to persistent foothold in under five minutes. This alarming new tactic is part of KongTuke's evolving social engineering toolkit, complementing its previous web-based attacks.
MuddyWater Exploits Microsoft Teams in False Flag Ransomware Attacks
MuddyWater hackers are impersonating Chaos ransomware affiliates, using clever social engineering tactics via Microsoft Teams to steal credentials and gain access to sensitive systems. Their sophisticated campaign involves interactive screen-sharing and manipulation of multi-factor authentication.
Microsoft Teams Free Disrupted by Backend Change
A recent backend change has caused issues for new users of Microsoft Teams Free, skipping crucial onboarding and privacy consent steps and leaving their profiles incomplete. As a result, these users appear as 'Unknown users', can't be found in searches, and struggle to connect with others in chat.