Tag: microsoft teams
24 articles
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.
Microsoft Teams Used to Deploy Sophisticated Snow Malware
Cyber attackers have cleverly used Microsoft Teams to deploy a sophisticated malware suite, dubbed Snow, by tricking victims into installing a fake anti-spam patch that ultimately led to prolonged access, credential theft, and domain compromise. They started by creating a sense of urgency through email bombing, then followed up with a direct message on Microsoft Teams.
Threat Actors Exploit Microsoft Teams for SNOW Malware Deployment
Cyber attackers are exploiting Microsoft Teams by impersonating IT helpdesk staff, tricking victims into accepting chats from unfamiliar accounts and deploying SNOW malware. They start by flooding inboxes with urgent emails, then pose as IT support over Teams, offering to fix the problem.
UNC6692 Exposes Custom Malware Suite via Social Engineering
In a clever social engineering ploy, UNC6692 launched a massive email campaign in late December 2025, flooding targets with messages to create a sense of urgency and distraction, before following up with a convincing Microsoft Teams message that pushed a malicious link. The attackers then cleverly disguised their malware as a legitimate "Mailbox Repair and Sync Utility" patch, hosted on an Amazon S3 page.
Microsoft Edge update disrupts Teams meeting joins for some users
A recent Microsoft Edge update has caused a frustrating issue for some users, preventing them from joining Microsoft Teams meetings. Microsoft is aware of the problem and is working to resolve it, but for now, affected users are left hanging.
Microsoft Teams Introduces Efficiency Mode to Optimize Performance on Low-Resource PCs
Boost your Microsoft Teams experience on low-resource PCs with the upcoming Efficiency Mode, rolling out in May 2026, which optimizes performance by adjusting video resolution and app behavior for a seamless experience. This update will breathe new life into hardware-constrained devices, ensuring responsiveness and meeting quality don't suffer.
Microsoft Teams Targeted in Rising Helpdesk Impersonation Attacks
Microsoft is sounding the alarm on a growing threat: hackers are exploiting Microsoft Teams' external collaboration features to impersonate helpdesk teams and gain access to enterprise networks. They're using the platform's own tools to move undetected, posing a major challenge for defenders.
Microsoft Reverses Update That Crippled Teams Launches
Microsoft swiftly reversed a recent update that left some users unable to launch the Teams desktop client, ensuring a quick fix for those affected. The move highlights the company's commitment to minimizing disruptions and prioritizing a seamless user experience.
Edge Update Disrupts Microsoft Teams Paste Function
A recent Microsoft Edge update has introduced a frustrating bug that breaks the right-click paste function in Microsoft Teams chats, causing inconvenience for users who rely on quick clipboard actions. This unexpected glitch is a major disruption for Teams users who depend on seamless communication.