The Last Watchdog

AUGUST 15, 2022

The top ransomware gangs have become so relentless that it’s not unusual for two or more of them to attack the same company within a few days – or even a few hours. Related: How ‘IABs’ foster ransomware. All three of these actors abused a firewall misconfiguration that was exposing a RDP server,” Shier told me.

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Ransomware System Administration Cyber Attacks Hacking 214

eSecurity Planet

JANUARY 11, 2024

These devices exist outside of direct corporate management and provide a ransomware gang with unchecked platforms for encrypting data. Ransomware remains just one of many different threats and as security teams eliminate key vectors of attack, adversaries will shift tactics. How does remote encryption work?

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Ransomware Encryption IoT VPN 112

CyberSecurity Insiders

MAY 11, 2021

When a mobile phone is targeted by a ransomware attack, all the photos, contacts, messages, videos and files are locked until a ransom is paid to hackers. An online survey conducted recently by McAfee states that nearly 28% of ransomware attacks are targeting online users who are active on smart phones and tablets.

Mobile 80

Mobile Ransomware Antivirus Firewall 80

Krebs on Security

MARCH 20, 2020

In February, hardware maker Zyxel fixed a zero-day vulnerability in its routers and VPN firewall products after KrebsOnSecurity told the company the flaw was being abused by attackers to break into devices. For those devices, Zyxel’s advice was not to leave them connected to the Internet. Zyxel issued a patch for the flaw on Feb.

IoT 244

IoT DDOS VPN Firewall 244

The Last Watchdog

MARCH 29, 2022

In the early days of the Internet, coders created new programs for the sake of writing good code, then made it available for anyone to use and extend, license free. However, once the commercial Internet took hold, developers began leveraging open-source components far and wide in proprietary systems.

Firewall 223

Firewall Digital transformation Internet Internet 223

The Last Watchdog

APRIL 21, 2021

From January through March 2021, TLS concealed 45 percent of the malware Sophos analysts observed circulating on the Internet; that’s double the rate – 23 percent – seen in early 2020, Dan Schiappa, Sophos’ chief product officer, told me in a briefing. And on the back end, it allows them to cloak any data as it is getting exfiltrated.

Malware 214

Malware Firewall Encryption Digital transformation 214

SiteLock

OCTOBER 21, 2021

Let us start with the abbreviations that define the categories of information security products: WAF stands for Web Application Firewall , NGFW stands for Next Generation Firewall. NGFW (or Next Generation Firewall) is an evolution of traditional firewalls and serves to delimit access between network segments.

Firewall 52

Firewall Information Security Penetration Testing Banking 52

Hacker Combat

MAY 4, 2022

Prevention is always recommended when it comes to ransomware infections. Learn how to remove ransomware in four key steps. Ransom virus, often known as ransomware, blocks users from gaining access to their computer or personal documents and requests payment in exchange for access. How do I detect a ransomware attack?

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Ransomware Backups Encryption Wireless 114

CyberSecurity Insiders

FEBRUARY 7, 2022

Safer Internet Day is a reminder for organizations to train and regularly refresh employee awareness around cybersecurity. With regular headlines of the latest cyber-attack occurring, organizations must focus on cybersecurity and using the internet safely. So why is it vital to train employees on cybersecurity and internet risks?

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Internet Internet Data breaches Phishing 94

Security Affairs

DECEMBER 11, 2022

Samsung S22 hacked Sophos fixed a critical flaw in its Sophos Firewall version 19.5 Samsung S22 hacked Sophos fixed a critical flaw in its Sophos Firewall version 19.5 Samsung S22 hacked Sophos fixed a critical flaw in its Sophos Firewall version 19.5 Follow me on Twitter: @securityaffairs and Facebook and Mastodon.

Firewall 91

Firewall Banking DDOS Hacking 91

Cisco Security

AUGUST 11, 2021

The REvil ransomware family has been in the news due to its involvement in high-profile incidents, such as the JBS cyberattack and the Kaseya supply chain attack. The threat actors behind REvil attacks operate under a ransomware-as-a-service model. The threat actors behind REvil attacks operate under a ransomware-as-a-service model.

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Ransomware DNS Encryption Backups 140

eSecurity Planet

OCTOBER 5, 2021

Malware has been around for nearly 40 years, longer even than the World Wide Web, but ransomware is a different kind of threat, capable of crippling a company and damaging or destroying its critical data. Ransomware Protection and Recovery Steps. Ransomware removal tools. Ransomware recovery services. Data backup.

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Ransomware Backups Encryption Insurance 137

Malwarebytes

MAY 23, 2023

The Cybersecurity and Infrastructure Security Agency (CISA) has updated its #StopRansomware guide to account for the fact that ransomware actors have accelerated their tactics and techniques since the original guide was released in September of 2020. Misuse of these tools is a common ransomware technique to inhibit system recovery.

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Ransomware Backups Social Engineering Accountability 59

Krebs on Security

JUNE 15, 2023

government agency in charge of improving the nation’s cybersecurity posture is ordering all federal agencies to take new measures to restrict access to Internet-exposed networking equipment. The directive comes amid a surge in attacks targeting previously unknown vulnerabilities in widely used security and networking appliances.

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Risk VPN Internet Internet 213

Malwarebytes

APRIL 28, 2023

My esteemed colleague Chris Boyd literally wrote: “Arbitrary code can be deployed, or even ransomware if that’s part of the attacker’s toolkit.” ” As it turns out, there are already two flavors of ransomware preying on those that haven’t updated yet. Note this only addresses ZDI-CAN-19226 / PO-1219.

Ransomware 66

Ransomware Backups Software Firewall 66

The Last Watchdog

MARCH 6, 2021

A VPN encrypts all internet traffic so that it is unreadable to anyone who intercepts it. This keeps your information away from prying eyes, such as internet service providers and hackers. Set up firewalls. Firewalls act as a defense line in preventing the possibility of threats entering your system. Secure home router.

VPN 214

VPN Firewall Antivirus Passwords 214

Malwarebytes

JULY 15, 2021

X remote access devices that they have been made aware of an imminent ransomware campaign using stolen credentials. In its report, SonicWall reports that ransomware attacks are being launched against these products using a known vulnerability in the 8.x SonicWall is a company that specializes in securing networks. Devices at risk.

Ransomware 80

Ransomware Firmware VPN Firewall 80

Security Affairs

JULY 12, 2021

Kaseya has released a security update to address the VSA zero-day vulnerabilities exploited by REvil gang in the massive ransomware supply chain attack. The company announced last week that fewer than 60 of its customers and less than 1,500 businesses have been impacted by the recent supply-chain ransomware attack. Pierluigi Paganini.

Ransomware 62

Ransomware Small Business Firewall Internet 62

The Last Watchdog

MAY 12, 2021

A new report from Sophos dissects how hackers spent two weeks roaming far-and-wide through the modern network of a large enterprise getting into a prime position to carry out what could’ve been a devasting ransomware attack. Over the course of 14 days they installed an array of malware deep inside the firewall.

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Ransomware Hacking Firewall Digital transformation 153

Approachable Cyber Threats

OCTOBER 16, 2020

Back in June, the Department of Homeland Security (DHS) issued an advisory that married together two of today’s major cybersecurity concerns: remote access technology and ransomware. million instances of RDP that were open to the internet. accessing a shared drive), and other traffic through the internet (e.g.

Ransomware 98

Ransomware VPN Internet Internet 98

eSecurity Planet

FEBRUARY 16, 2021

The internet is fraught with peril these days, but nothing strikes more fear into users and IT security pros than the threat of ransomware. A ransomware attack is about as bad as a cyber attack can get. Jump to: What is ransomware? How ransomware works. Preventing ransomware. Ransomware attacks and costs.

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Ransomware Backups Software Encryption 97

IT Security Guru

JULY 19, 2021

Although cybercrime as a whole has seen a rise during the pandemic, arguably ransomware has been one of the more successful and lucrative attack types. Our own research report, the State of Encrypted Attacks Report 2020 , found that there had been a 500 per cent rise in ransomware compared to 2019. Security hygiene is the best defence.

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Ransomware Digital transformation Antivirus DDOS 96

Malwarebytes

JULY 26, 2022

It’s no secret that ransomware is one of the most pressing cyber threats of our day. What worse, ransomware gangs have increased their attacks on a range of vulnerable industries, with disruptions to business operations, million-dollar ransom demands, data exfiltration, and extortion. Part 2: Pinpointing the ransomware.

Encryption 65

Encryption Ransomware Backups Firewall 65

Security Affairs

OCTOBER 22, 2022

Healthcare and Public Health sector with ransomware. businesses, mainly in the Healthcare and Public Health (HPH) Sector, with ransomware operations. The Daixin Team is a ransomware and data extortion group that has been active since at least June 2022. ” reads the alert. .” ” reads the alert.

Ransomware 69

Ransomware VPN Cybercrime Accountability 69

Krebs on Security

APRIL 13, 2022

” “These could be the kind of vulnerabilities which appeal to ransomware operators as they provide the potential to expose critical data,” said Kevin Breen , director of cyber threat research at Immersive Labs. CVSS scores and are listed as “exploitation more likely by Microsoft.”

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DNS Internet Internet Firewall 260

Malwarebytes

NOVEMBER 17, 2021

A ransomware warning has appeared out of nowhere and started taking over WordPress sites. There is no ransomware. The ransomware that isn’t what it claims to be. Researchers at Sucuri found and analyzed the fake ransomware. BITCOIN: [address redacted] (create file on site /unlock.txt with transaction key inside)”.

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Ransomware Backups Encryption Passwords 100

Cisco Security

AUGUST 24, 2023

Cisco is aware of reports that Akira ransomware threat actors have been targeting Cisco VPNs that are not configured for multi-factor authentication to infiltrate organizations, and we have observed instances where threat actors appear to be targeting organizations that do not configure multi-factor authentication for their VPN users.

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Authentication Ransomware VPN Passwords 60

SecureWorld News

JULY 7, 2022

United States government agencies recently released a joint Cybersecurity Advisory (CSA) providing information on how North Korean state-sponsored threat actors are actively using Maui ransomware to attack healthcare organizations. What is Maui ransomware? Using manually operated ransomware.

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Healthcare Ransomware Encryption Government 79

Security Affairs

JUNE 17, 2023

Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Margaret’s Health is the first hospital to cite a cyberattack as a reason for its closure A database containing data of +8.9 Margaret’s Health is the first hospital to cite a cyberattack as a reason for its closure A database containing data of +8.9

Data breaches 87

Data breaches DDOS Backups Firewall 87

SC Magazine

JUNE 30, 2021

Evidently, when sys admins use Docker to containerize a database on a Linux server, Docker inserts an “allow rule” into iptables, opening up the database to the public internet. This requires sys admins to reconfigure the uncomplicated firewall (UFW) configuration file on the server and insert new rules for Docker.

Ransomware 90

Ransomware Architecture Firewall Media 90

Security Affairs

JUNE 25, 2021

Fortinet has recently fixed a high-severity vulnerability affecting its FortiWeb web application firewall (WAF) that can be exploited by remote attackers to execute arbitrary commands. The vulnerability in the management interface of FortiWeb firewall was discovered by Andrey Medov, from cybersecurity firm Positive Technologies.

Hacking 112

Hacking Firewall Authentication Technology 112

CyberSecurity Insiders

APRIL 25, 2021

Its XGS Series Firewall appliance does a Transport Layer Security (TLS) inspection that is 5 times faster than what the other models offer. Sophos XStream FireWall Architecture appliance is offered with a feature of zero day protection, identification that block the most advanced threats lurking in the threat landscape.

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Cyber Attacks Firewall Architecture Encryption 98

eSecurity Planet

SEPTEMBER 9, 2022

Nearly a quarter of healthcare organizations hit by ransomware attacks experienced an increase in patient mortality, according to a study from Ponemon Institute and Proofpoint released today. Also read: After Springhill: Assessing the Impact of Ransomware Lawsuits. Healthcare Cyberattacks Common – And Costly.

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Healthcare Ransomware Cybersecurity Big data 135

eSecurity Planet

APRIL 29, 2024

An old Microsoft Windows spooler flaw is added to the CISA KEV list, and the Cactus Ransomware gang currently pursues unfixed Qlik Sense servers with a vulnerability patched in September 2023. Unfixed September 2023 Qlik Sense Vulns Under Ransomware Attack Type of vulnerability: Arbitrary code execution.

Firewall 93

Firewall Software Ransomware Penetration Testing 93

Security Affairs

APRIL 19, 2022

“It is recommended that your QNAP NAS stay behind your router and firewall without a public IP address. ” The vendor also recommends enabling the VPN server function on the user router to access QNAP NAS from the Internet. ” reads the advisory published by QNAP. Do not let your QNAP NAS obtain a public IP address.

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VPN Internet Internet Firewall 103

eSecurity Planet

MARCH 27, 2023

A quarter were financially motivated, and three of those were linked to ransomware operations. Targeting Firewalls and IPS/IDS Appliances In the case of CVE-2022-42475, a flaw in Fortinet’s FortiOS SSL-VPN, Mandiant observed a Chinese state-sponsored group exploiting the vulnerability in late 2022.

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Firewall Internet Internet Telecommunications 88

Malwarebytes

JUNE 8, 2022

There are dozens of Linux malware families out there today threatening SMBs with anything from ransomware to DDoS attacks. In a perfect world, the firewalls of our servers would only allow web traffic in from trusted ports. QNAPCrypt is ransomware that specifically targets Linux-based NAS (Network Attached Storage) servers.

Malware 101

Malware IoT DDOS Firewall 101