Cyberattack Archives - Heimdal Security Blog

Global Affairs Canada Was Recently Hit by a Cyberattack

The Canadian Government Department for Foreign and Consular Relations Suffered a Cyberattack Last Week that Affected the Access to Some Online Services.

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Vestas Cyberattack Makes The Company Shut Down Its IT Systems

The Company Is in the Process of Restoring Its IT Systems.

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Robinhood Suffered a Massive Data Breach

The Stock Trading Platform Had Its Systems Hacked.

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Sophisticated Cyberattack Hits GiantPay

The Company Had to Shut Down Its Networks.

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A Version of Linux Cobalt Strike Beacon Is Being Used in Ongoing Attacks

This Is an Unofficial Version Created by Unknown Threat Actors from Scratch.

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The Leaked Data File Containing Details About the Guntrader Customers Has Been Shared

Criminals Could’ve Been Able to Find the UK Gun Owners’ Home Addresses on Google Earth.

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CISA Advises Users to Not Use Single-factor Authentication on Internet-exposed Systems

Single-factor Authentication Was Added by CISA to a List of Cybersecurity Bad Practices.

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Boston Public Library Hit by Cyberattack

The Attack Caused a System-Wide Technical Outage.

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T-Mobile Data Breach: Hackers Say They Stole 100 Million Customer Data

The Company Is Currently Conducting an Investigation to Determine if Customer Info Was Really Accessed.

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Italian Vaccine Registration System Possibly Hit with Ransomware [Updated]

The Region’s President Announced That Residents of Lazio Will Not Be Able to Book New Appointments for Several Days.

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Elasticsearch Database Leaked Online

Private Information of At Least 35 Million U.S. Residents Was Exposed for at Least A Month.

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How to Secure Your Wireless Devices?

NSA Provided Guidance on How to Properly Secure Wireless Devices Against Potential Attacks.

Account security | INTERMEDIATE READ

What Is Session Hijacking. Session Hijacking Types

Don’t Let the Bad Guys Have Their Way with Your Account.

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Cyberattack Hits Iran's Transport Ministry

Over the Years, Iran Has Claimed It’s Been the Target of Repeated Cyberattacks, Many of Which It Blamed on Israel and the U.S.

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A Fake Kaseya Security Update Is 'Backdooring' Networks Using Cobalt Strike

The Malicious Actors Are Pushing Cobalt Strike Payloads Disguised as Kaseya VSA Security Updates.

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Formula 1 Mobile Push Notification Service Targeted by Hackers

Formula One Has Confirmed Threat Actors Briefly Got Control of Its App on Saturday Evening, Sending Out Two Push Notifications in the Process.

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Sensitive Data Might Have Been Subject to Public Exposure Following Ransomware Attack

An Washington State Department of Labor and Industries’ File Shared with PMR Containing Customer Sensitive Data Was Targeted by a Ransomware Attack.

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The PrintNightmare Threat Issue: Microsoft Shares Its Input

The Well-Known PrintNightmare Threat Is Now Being Addressed by Microsoft. The Company Officially Shared Its Input on the Nature of the Bug and Also Advised on Mitigation Measures Until New Security Updates.