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Daily Cyber Brief
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Daily Cyber Brief

Daily Cyber Brief

3/23/22

Overt Operator
Mar 23
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Cybersecurity

Russian News Site Claims it was ‘Hacked’ After Revealing 9,800 Troops Died in Ukraine

After almost a month, the Russian invasion of Ukraine seems to be at somewhat of a standstill. Foreign troops are joining up, with mixed results, arms are being supplied to Ukraine, and the Russian military remains seemingly stalled outside many of Ukraine’s…

FBI Sees Growing Russian Hacker Interest in US Energy Firms

The FBI is warning that it has seen increased interest by Russian hackers in energy companies since the start of Russia's war against Ukraine, though it is offering no indication that a specific cyberattack is planned. An FBI advisory obtained by The Associated Press on…

Okta Investigating Claims of Customer Data Breach from Lapsus$ Group

Okta, a leading provider of authentication services and Identity and access management (IAM) solutions says it is investigating claims of data breach. On Tuesday, data extortion group Lapsus$ posted screenshots in their Telegram channel of what it alleges to be access…

Hundreds of HP Printer Models Vulnerable to Remote Code Execution

HP has published security advisories for three critical-severity vulnerabilities affecting hundreds of its LaserJet Pro, Pagewide Pro, OfficeJet, Enterprise, Large Format, and DeskJet printer models. The first security bulletin warns about about a buffer overflow flaw that could…

Greece's Public Postal Service Offline Due to Ransomware Attack

ELTA, the state-owned provider of postal services in Greece, has disclosed a ransomware incident detected on Sunday that is still keeping most of the organizations services offline. An initial statement about the attack came on Monday, when ELTA announced the cause of a…

New Dell BIOS Bugs Affect Millions of Inspiron, Vostro, XPS, Alienware Systems

Five new security weaknesses have been disclosed in Dell BIOS that, if successfully exploited, could lead to code execution on vulnerable systems, joining the likes of firmware vulnerabilities recently uncovered in Insyde Software's InsydeH2O and HP Unified…

'Unique Attack Chain' Drops Backdoor in New Phishing Campaign

An unknown and likely advanced threat actor is using a novel combination of open source tools, steganography, and a detection bypass technique to attack government agencies, real estate companies, and construction firms in France. Researchers from Proofpoint tracking…

Over 1 Million Impacted in Data Breach at Texas Dental Services Provider

Dental and orthodontic care provider JDC Healthcare Management (JDC) has revealed that the information of a large number of Texans was compromised in a data breach discovered last year. JDC, which operates more than 70 Jefferson Dental & Orthodontics clinics, notified…

Microsoft Confirms Lapsus$ Hackers Stole Source Code Via ‘Limited’ Access

The hacking group Lapsus$, known for claiming to have hacked Nvidia, Samsung, and more, this week claimed it has even hacked Microsoft. The group posted a file that it claimed contains partial source code for Bing and Cortana in an archive holding nearly 37GB of data…

Deadbolt Ransomware Returns, 1,100+ QNAP Devices Infected

More than 1,000 QNAP devices have been infected with the Deadbolt ransomware in the last week, according to security company Censys. In a blog post, Censys said the latest attacks “began with two new infections (a total of 373 infections) on March 16th, and over the course…

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