Attacks

26 Jun

Blizzard Entertainment hit by DDoS attack

Attacks, Data Breaches

Video game comoany, Blizzard Entertainment, has been the vicitm of a distributed-denial-of-service (DDoS) cyber attack. The DDoS attack was launched against the company on June 25, and caused a number of games that Blizzard hosts to go offline, including Diablo 4 and World of Warcraft. The disruption was noted by players across Blizzard’s titles, with some taking to Blizzard’s forums to post about the cyber attack. One user, who uses the screen name ‘Gibs’, made…

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23 Jun

CISA Adds Five Known Exploited Vulnerabilities to Catalog

Attacks, Insights, Malware

CISA has added five new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-32434 Apple Multiple Products Integer Overflow Vulnerability CVE-2023-32435 Apple iOS and iPadOS WebKit Memory Corruption Vulnerability CVE-2023-32439 Apple iOS, iPadOS, and macOS WebKit Type Confusion Vulnerability CVE-2023-20867 VMware Tools Authentication Bypass Vulnerability CVE-2023-27992 Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise. Note: To view…

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23 Jun

IOTW: A full timeline of the MOVEit cyber attack

Attacks, Data Breaches

Ransomware gang Clop, which has taken responsibility for the cyber attack launched against document transfer service MOVEit, has announced that it has not stolen data from companies thought to be impacted by data breaches linked to the attack. These companies include the UK’s British Broadcasting Company (BBC), British Airways and high street health and beauty retailer Boots. Since June 14, Clop has been posting company profiles of companies allegedly impacted by data breaches caused by…

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21 Jun

PwC and EY impacted by MOVEit cyber attack

Attacks, Data Breaches

Multinational accounting firms PricewaterhouseCoopers (PwC) and Ernst & Young (EY) are among the seemingly ever-growing list of victims linked to a cyber security incident that originated with data transfer service, MOVEit.  A supply chain cyber attack launched at MOVEit by ransomware gang Clop has resulted in a series of data breaches for a large number of high-profile brands including Health Service Ireland (HSE) and payroll services provider Zellis. The breach of Zellis has also led to…

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19 Jun

BlackCat threatens to leak 80GB of Reddit data

Attacks, Data Breaches

Ransomware gang ALPHV, most commonly known as BlackCat, is allegedly responsible for the theft of 80GB of data from social media site Reddit.  The allegation comes directly from the ransomware gang, who have claimed responsibility for a data breach that happened in February of this year. In a post on the gang’s data leaks site, BlackCat claimed to have stolen 80GB of compressed data during the attack and are planning on selling it.  The malicious actors…

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15 Jun

CISA, FBI, and MS-ISAC Update Joint CSA on Progress Telerik Vulnerabilities

Attacks, Insights, Malware

Today, CISA, the Federal Bureau of Investigation (FBI), and Multi-State Information Sharing and Analysis Center (MS-ISAC) released an update for joint Cybersecurity Advisory (CSA) Threat Actors Exploit Progress Telerik Vulnerability in U.S. Government IIS Server.  This iteration of the CSA—now renamed Threat Actors Exploit Progress Telerik Vulnerabilities in Multiple U.S. Government IIS Servers—is based on the forensic analysis and identified exploitation of CVE-2017-9248 at an additional FCEB agency. Activity identified at this agency is separate…

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15 Jun

Barracuda Networks Releases Update to Address ESG Vulnerability

Attacks, Insights, Malware

Barracuda Networks has released an update to their advisory addressing a vulnerability—CVE-2023-2868—in their Email Security Gateway Appliance (ESG). According to Barracuda, customers should replace impacted appliances immediately.  CISA urges organizations to review the Barracuda advisory and for all impacted customers to follow the mitigation steps as well as hunt for the listed indicators of compromise (IOCs) to uncover any malicious activity. For more information, see Mandiant’s advisory on Barracuda ESG Zero-Day Vulnerability (CVE-2023-2868) Exploited Globally…

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15 Jun

CISA Releases Fourteen Industrial Control Systems Advisories

Attacks, Insights, Malware

CISA released fourteen Industrial Control Systems (ICS) advisories on June 15, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS.  ICSA-23-166-01 SUBNET PowerSYSTEM Center ICSA-23-166-02 Advantech WebAccessSCADA ICSA-23-166-03 Siemens SICAM Q200 Devices ICSA-23-166-04 Siemens SIMOTION ICSA-23-166-05 Siemens SIMATIC WinCC ICSA-23-166-06 Siemens TIA Portal ICSA-23-166-07 Siemens SIMATIC WinCC V7 ICSA-23-166-08 Siemens SIMATIC STEP 7 and Derived Products ICSA-23-166-09 Siemens Solid Edge ICSA-23-166-10 Siemens SIMATIC S7-1500 TM MFP BIOS ICSA-23-166-11 Siemens…

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