April, 2022

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Conti’s Ransomware Toll on the Healthcare Industry

Krebs on Security

Conti — one of the most ruthless and successful Russian ransomware groups — publicly declared during the height of the COVID-19 pandemic that it would refrain from targeting healthcare providers. But new information confirms this pledge was always a lie, and that Conti has launched more than 200 attacks against hospitals and other healthcare facilities since first surfacing in 2018 under its earlier name, “ Ryuk.” On April 13, Microsoft said it executed a legal sneak atta

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T-Mobile Breached Again; Lapsus$ Behind the Attack

Data Breach Today

Company Says No Sensitive Customer or Government Information Leaked The US telecom carrier T-Mobile has confirmed that the Lapsus$ ransomware group has breached its internal network by compromising employee accounts. The company says hackers did not steal any sensitive customer or government information during the incident.

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Russia Is Being Hacked at an Unprecedented Scale

WIRED Threat Level

From “IT Army” DDoS attacks to custom malware, the country has become a target like never before.

IT 363
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CISA adds VMware, Chrome flaws to its Known Exploited Vulnerabilities Catalog

Security Affairs

US CISA adds a VMware privilege escalation flaw and a Google Chrome type confusion issue to its Known Exploited Vulnerabilities Catalog. The Cybersecurity and Infrastructure Security Agency (CISA) added a VMware privilege escalation flaw (CVE-2022-22960) and a Google Chrome type confusion issue (CVE-2022-1364) to its Known Exploited Vulnerabilities Catalog.

IT 363
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State of AI in Sales & Marketing 2025

AI adoption is reshaping sales and marketing. But is it delivering real results? We surveyed 1,000+ GTM professionals to find out. The data is clear: AI users report 47% higher productivity and an average of 12 hours saved per week. But leaders say mainstream AI tools still fall short on accuracy and business impact. Download the full report today to see how AI is being used — and where go-to-market professionals think there are gaps and opportunities.

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BEST PRACTICES: Blunting ‘BEC’ capers that continue to target, devastate SMBs and enterprises

The Last Watchdog

It’s no secret that cyberattacks can happen to any business, and we should all be suspicious of messages from unfamiliar senders appearing in our email inboxes. Related: Deploying human sensors. But surely, we can feel confident in email communications and requests from our organization’s executives and fellow coworkers, right? The short answer: Not always.

Phishing 247

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Operation TOURNIQUET: Authorities shut down dark web marketplace RaidForums

Security Affairs

The dark web marketplace RaidForums has been shut down and its infrastructure seized as a result of Operation TOURNIQUET. The illegal dark web marketplace RaidForums has been shut down and its infrastructure seized as a result of the international law enforcement Operation TOURNIQUET coordinated by Europol’s European Cybercrime Centre. Operation TOURNIQUET was conducted by law enforcement agencies from the United States, United Kingdom, Sweden, Portugal, and Romania.

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Russia Is Leaking Data Like a Sieve

WIRED Threat Level

Ukraine claims to have doxed Russian troops and spies, while hacktivists are regularly leaking private information from Russian organizations.

Privacy 363
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Enemybot, a new DDoS botnet appears in the threat landscape

Security Affairs

Enemybot is a DDoS botnet that targeted several routers and web servers by exploiting known vulnerabilities. Researchers from Fortinet discovered a new DDoS botnet, tracked as Enemybot, that has targeted several routers and web servers by exploiting known vulnerabilities. The botnet targets multiple architectures, including arm, bsd, x64, and x86. The researchers attribute the botnet to the cybercrime group Keksec which focuses on DDoS-based extortion.

CMS 362
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Ukraine and Romania Suffer Large Scale DDoS Attacks

Data Breach Today

Killnet Claims Responsibility for Targeting Romanian Authorities The Computer Emergency Response Team of Ukraine, along with the National Bank of Ukraine, are warning of massive DDoS attacks against pro-Ukrainian targets. The intelligence service in Romania, SRI, also warns of a similar type of attack targeting sites belonging to its national authorities.

IT 361
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How to Achieve High-Accuracy Results When Using LLMs

Speaker: Ben Epstein, Stealth Founder & CTO | Tony Karrer, Founder & CTO, Aggregage

When tasked with building a fundamentally new product line with deeper insights than previously achievable for a high-value client, Ben Epstein and his team faced a significant challenge: how to harness LLMs to produce consistent, high-accuracy outputs at scale. In this new session, Ben will share how he and his team engineered a system (based on proven software engineering approaches) that employs reproducible test variations (via temperature 0 and fixed seeds), and enables non-LLM evaluation m

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CVE-2021-31805 RCE bug in Apache Struts was finally patched

Security Affairs

Apache addressed a critical flaw in Apache Struts RCE that was linked to a previous issue that was not properly fixed. Apache Struts is an open-source web application framework for developing Java EE web applications. The Apache Software Foundation urges organizations to address a vulnerability, tracked as CVE-2021-31805, affecting Struts versions ranging 2.0.0 to 2.5.29.

Security 362
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CVE-2022-20685 flaw in the Modbus preprocessor of the Snort makes it unusable

Security Affairs

CVE-2022-20685 flaw in the Modbus preprocessor of the Snort detection engine could trigger a DoS condition and make it ineffective against malicious traffic. Snort is a free open source network intrusion detection system (IDS) and intrusion prevention system (IPS) which is currently developed by Cisco. The software performs real-time traffic analysis and packet logging on Internet Protocol (IP) networks, protocol analysis, content searching and matching.

IT 356
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Russia-linked Sandworm APT targets energy facilities in Ukraine with wipers

Security Affairs

Russia-linked Sandworm APT group targeted energy facilities in Ukraine with INDUSTROYER2 and CADDYWIPER wipers. Russia-linked Sandworm threat actors targeted energy facilities in Ukraine with a new strain of the Industroyer ICS malware (INDUSTROYER2) and a new version of the CaddyWiper wiper. According to the CERT-UA, nation-state actors targeted high-voltage electrical substations with INDUSTROYER2, the variant analyzed by the researchers were customized to target respective substations.

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Iran announced to have foiled massive cyberattacks on public services

Security Affairs

State television announced that Iran has foiled massive cyberattacks that targeted public services operated by both government and private organizations. According to the Iran state television, the attack attempts took place in recent days and aimed at the infrastructure of more than 100 public sector agencies. The report did not name entities that were targeted by the cyberattacks.

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Zero Trust Mandate: The Realities, Requirements and Roadmap

The DHS compliance audit clock is ticking on Zero Trust. Government agencies can no longer ignore or delay their Zero Trust initiatives. During this virtual panel discussion—featuring Kelly Fuller Gordon, Founder and CEO of RisX, Chris Wild, Zero Trust subject matter expert at Zermount, Inc., and Principal of Cybersecurity Practice at Eliassen Group, Trey Gannon—you’ll gain a detailed understanding of the Federal Zero Trust mandate, its requirements, milestones, and deadlines.

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Critical bug in decoder used by popular chipsets exposes 2/3 of Android devices to hack

Security Affairs

A critical RCE flaw in Android devices running on Qualcomm and MediaTek chipsets could allow access to users’ media files. Security researchers at Check Point Research have discovered a critical remote code execution that affects the implementation of the Apple Lossless Audio Codec (ALAC) in Android devices running on Qualcomm and MediaTek chipsets.

Access 352
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CVE-2022-22292 flaw could allow hacking of Samsung Android devices

Security Affairs

Experts discovered a vulnerability, tracked as CVE-2022-22292, which can be exploited to compromise Android 9, 10, 11, and 12 devices. Researchers from mobile cybersecurity firm Kryptowire discovered a vulnerability, tracked as CVE-2022-22292 , in Android 9, 10, 11, and 12 devices. The vulnerability resides in the pre-installed Phone app that executes with system privileges on Samsung devices.

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Cyberwarfare in the Russia-Ukraine War

Data Breach Today

As one of the architects of Israel's offensive Red Team intelligence unit and Incident Response Team, Reuven (Rubi) Aronashvili, CEO of Israeli cybersecurity company CYE, provides a highly informed view of current cyberwarfare in the Russia-Ukraine war, including how it differs from kinetic warfare.

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APTs Using New Tools to Target ICS/SCADA

Data Breach Today

US Government Agencies, Mandiant, Dragos, Schneider Electric Issue Joint Advisory U.S. government agencies, including the Department of Energy, CISA, the NSA and the FBI issued a joint cybersecurity advisory about advanced persistent threat actors using new tools and malwares to target industrial control systems and supervisory control and data acquisition devices.

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Prevent Data Breaches With Zero-Trust Enterprise Password Management

Keeper Security is transforming cybersecurity for people and organizations around the world. Keeper’s affordable and easy-to-use solutions are built on a foundation of zero-trust and zero-knowledge security to protect every user on every device. Our next-generation privileged access management solution deploys in minutes and seamlessly integrates with any tech stack to prevent breaches, reduce help desk costs and ensure compliance.

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US gov agencies e private firms warn nation-state actors are targeting ICS & SCADA devices

Security Affairs

The US government agencies warned of threat actors that are targeting ICS and SCADA systems from various vendors. The Department of Energy (DOE), the Cybersecurity and Infrastructure Security Agency (CISA), the National Security Agency (NSA), and the Federal Bureau of Investigation (FBI) published a joint Cybersecurity Advisory (CSA) to warn of offensive capabilities developed by APT actors that could allow them to compromise multiple industrial control system (ICS)/supervisory control and data

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Microsoft has taken legal and technical action to dismantle the Zloader botnet

Security Affairs

Microsoft’s Digital Crimes Unit (DCU) announced to have shut down dozens C2 servers used by the infamous ZLoader botnet. Microsoft dismantled the C2 infrastructure used by the ZLoader trojan with the help of telecommunications providers around the world and cybersecurity firms. The IT giant obtained a court order that allowed it to sinkhole 65 domains used by the ZLoader operators along with an additional 319 currently registered DGA domains. “Today, we’re announcing that Microsoft’

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Anonymous hacked other Russian organizations, some of the breaches could be severe

Security Affairs

The Anonymous collective and affiliate groups intensify their attacks and claimed to have breached multiple organizations. Anonymous and groups linked to the famous collective continues to target Russian organizations, the hacktivist are breaching their systems and leak stolen data online. Below the organizations breached in the last three days, since my previous update: Tendertech is a firm specializing in processing financial and banking documents on behalf of businesses and entrepreneurs.

Archiving 345
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Block discloses data breach involving Cash App potentially impacting 8.2 million US customers

Security Affairs

Block disclosed a data breach related to the Cash App investing app and is notifying 8.2 million current and former US customers. The data breach involved a former employee that downloaded some unspecified reports of its Cash App Investing app that contained some U.S. customer information. Cash App is an app that allows users to easily send money, spend money, save money, and buy cryptocurrency. “On April 4, 2022, Block, Inc.

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Optimizing The Modern Developer Experience with Coder

Many software teams have migrated their testing and production workloads to the cloud, yet development environments often remain tied to outdated local setups, limiting efficiency and growth. This is where Coder comes in. In our 101 Coder webinar, you’ll explore how cloud-based development environments can unlock new levels of productivity. Discover how to transition from local setups to a secure, cloud-powered ecosystem with ease.

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Russia-linked Armageddon APT targets Ukrainian state organizations, CERT-UA warns

Security Affairs

Ukraine CERT-UA spotted a spear-phishing campaign conducted by Russia-linked Armageddon APT targeting local state organizations. Ukraine CERT-UA published a security advisory to warn of spear-phishing attacks conducted by Russia-linked Armageddon APT (aka Gamaredon , Primitive Bear, Armageddon, Winterflounder, or Iron Tilden) targeting local state organizations.

Military 343
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Russian Gamaredon APT continues to target Ukraine

Security Affairs

Russia-linked threat actor Gamaredon targets Ukraine with new variants of the custom Pterodo backdoor. Russia-linked Gamaredon APT group (a.k.a. Armageddon , Primitive Bear, and ACTINIUM) continues to target Ukraine and it is using new variants of the custom Pterodo backdoor (aka Pteranodon ). The cyberespionage group is behind a recent series of spear-phishing attacks targeting Ukrainian entities and organizations related to Ukrainian affairs, since October 2021, Microsoft said.

Archiving 340
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MailChimp breached, intruders conducted phishing attacks against crypto customers

Security Affairs

Threat actors gained access to internal tools of the email marketing giant MailChimp to conduct phishing attacks against crypto customers. During the weekend, multiple owners of Trezor hardware cryptocurrency wallets reported having received fake data breach notifications from Trezor, BleepingComputer first reported. @Trezor WARNING: Elaborate Phishing attack.

Phishing 340
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AcidRain, a wiper that crippled routers and modems in Europe

Security Affairs

Researchers spotted a new destructive wiper, tracked as AcidRain , that is likely linked to the recent attack against Viasat. Security researchers at SentinelLabs have spotted a previously undetected destructive wiper, tracked as AcidRain, that hit routers and modems and that was suspected to be linked to the Viasat KA-SAT attack that took place on February 24th, 2022.

Security 339
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15 Modern Use Cases for Enterprise Business Intelligence

Large enterprises face unique challenges in optimizing their Business Intelligence (BI) output due to the sheer scale and complexity of their operations. Unlike smaller organizations, where basic BI features and simple dashboards might suffice, enterprises must manage vast amounts of data from diverse sources. What are the top modern BI use cases for enterprise businesses to help you get a leg up on the competition?

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Microsoft disrupted APT28 attacks on Ukraine through a court order

Security Affairs

Microsoft obtained a court order to take over seven domains used by the Russia-linked APT28 group to target Ukraine. Microsoft on Thursday announced it has obtained a court order to take over seven domains used by Russia-linked cyberespionage group APT28 in attacks against Ukraine. The APT28 group (aka Fancy Bear , Pawn Storm , Sofacy Group , Sednit , and STRONTIUM ) has been active since at least 2007 and it has targeted governments, militaries, and security organizations worldwide.

Military 337
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Fake Windows Upgrade Site Delivering Info-Stealer Malware

Data Breach Today

Cybercriminals Taking Advantage of Windows 11 Upgrade A multistage information stealer malware is targeting Windows users and stealing their data from browsers and crypto wallets by using fake domains masquerading as a Windows 11 upgrade. The CloudSEK researchers who discovered the malware have not attributed it to any particular group.

IT 336
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Cybercrime: Ransomware Attacks Surging Once Again

Data Breach Today

Lockbit, Conti, Hive and Alphv/BlackCat Tied to Greatest Number of Known Victims Ransomware attacks have come storming back after experiencing their typical end-of-the year decline. Security researchers report that the greatest number of known victms has been amassed by Lockbit, followed by Conti, Hive and Alphv/BlackCat.