The Last Watchdog

AUGUST 15, 2022

The report paints a picture of ransomware gangs arriving on the scene typically after crypto miners, botnet builders, malware embedders and initial access brokers may have already profited from earlier intrusions. Configure system administrative tools more wisely. This grim outlook is shared in a new white paper from Sophos.

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Ransomware System Administration Cyber Attacks Hacking 214

Krebs on Security

JULY 14, 2020

” “We consider this to be a wormable vulnerability, meaning that it has the potential to spread via malware between vulnerable computers without user interaction,” Microsoft wrote in its documentation of CVE-2020-1350. Not to say flaws rated “important” as opposed to critical aren’t also a concern.

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DNS Backups System Administration Software 280

Security Affairs

AUGUST 9, 2021

Synology’s security researchers believe the botnet is primarily driven by a malware family called “StealthWorker.” ” At present, Synology PSIRT has seen no indication of the malware exploiting any software vulnerabilities.” ” reads the security advisory published by the vendor. Pierluigi Paganini.

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Ransomware System Administration Malware Authentication 131

Krebs on Security

FEBRUARY 8, 2022

But it does fix four dozen flaws, including several that Microsoft says will likely soon be exploited by malware or malcontents. One important item to note this week is that Microsoft announced it will start blocking Internet macros by default in Office. Redmond has been steadily spooling out patches for this service ever since.

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Authentication Internet Internet System Administration 187

Krebs on Security

JUNE 22, 2022

Kloster says he’s worked in many large companies in Omsk as a system administrator, web developer and photographer. But the malware-based proxy services have struggled to remain competitive in a cybercrime market with increasingly sophisticated proxy services that offer many additional features.

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Advertising Cybercrime System Administration Hacking 267

Krebs on Security

SEPTEMBER 30, 2023

“The command requires Windows system administrators,” Truniger’s ads explained. Semen-7907 registered at Tunngle from the Internet address 31.192.175[.]63 Snatch Team claims to deal only in stolen data — not in deploying ransomware malware to hold systems hostage.

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Ransomware Accountability Cybercrime Backups 218

Krebs on Security

JUNE 9, 2020

City officials now say they plan to pay the ransom demand, in hopes of keeping the personal data of their citizens off of the Internet. Nevertheless, on Friday, June 5, the intruders sprang their attack, deploying ransomware and demanding nearly $300,000 worth of bitcoin. ” A DoppelPaymer ransom note. Image: Crowdstrike.

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Ransomware System Administration Backups Technology 357

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. Firewalls predate SIEMs.

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Firewall Digital transformation Internet Internet 223

Security Affairs

JANUARY 21, 2020

The Malware Threat behind CurveBall. Many system administrators and companies were rushing to update internet exposed machines, like web servers or gateways, worried about possible remote code execution, reviving the EternalBlue /WannaCry crisis in their mind. .

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System Administration Malware Advertising Risk 87

Security Affairs

SEPTEMBER 2, 2019

The popular researcher Larry Cashdollar, from Akamai SIRT, announced in exclusive to The Register, that he observed a miner that previously hit only Arm-powered IoT devices targeting Intel systems. The researchers revealed that one of his honeypots was hit by this IoT malware that targets Intel machines running Linux.

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IoT Cryptocurrency Malware System Administration 88

Security Affairs

APRIL 26, 2021

European law enforcement has conducted an operation aimed at performing a mass-sanitization of computers infected with the infamous Emotet Windows malware. European law enforcement agencies automatically wiped the infamous Emotet malware from infected systems across the world as part of a mass sanitization operation.

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Malware Banking System Administration Hacking 99

Webroot

APRIL 2, 2024

While RDP is a powerful tool for remote administration and support, it has also become a favored vector for brute force attacks for several reasons: Widespread use: RDP is commonly used in businesses to enable remote work and system administration.

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Cybersecurity Passwords VPN Authentication 83

Security Affairs

MARCH 16, 2022

No wonder Russia has been preparing to cut itself off from the global internet, hoping to move key government institutions to a sovereign Runet – a pan-Russian web limited to the Federation – to make them less prone to cyber attacks. Ideally, VNC should be used only with authenticated users, such as system administrators.

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Authentication Cyber Attacks System Administration Internet 130

Security Affairs

MARCH 11, 2020

Microsoft’s Patch Tuesday updates for March 2020 address 115 vulnerabilities, 26 issues affecting Windows, Word, Dynamics Business Central, Edge, and Internet Explorer have been rated as critical severity. SecurityAffairs – malware, Patch Tuesday). Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

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System Administration Advertising Internet Internet 87

The Last Watchdog

MARCH 4, 2019

For instance, major vulnerability was discovered lurking in the GNU C Library, or GLIBC, an open source component that runs deep inside of Linux operating systems used widely in enterprise settings. GLIBC keeps common code in one place, thus making it easier for multiple programs to connect to the company network and to the Internet.

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Hacking Energy and Utilities System Administration Accountability 212

CyberSecurity Insiders

SEPTEMBER 24, 2021

One of the most vulnerable areas that hackers use to infiltrate a company’s system is the network. The Internet network is vulnerable as cybercriminals are lurking online, waiting to intercept loopholes for hacking systems. Company systems require various software programs to function. Human Resources. Data Security.

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Cybersecurity Data breaches Backups Firewall 90

The Last Watchdog

JUNE 2, 2021

PKI is the authentication and encryption framework on which the Internet is built. It works by issuing digital certificates to verify the authenticity of the servers ingesting the data trickling in from our smartphones, Internet of Things sensors and the like. I’ll keep watch, and keep reporting.

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Encryption Artificial Intelligence IoT Data collection 176

SiteLock

AUGUST 27, 2021

The researchers posit that nation-state level resources could precompute 1024-bit Diffie-Helman groups, affecting even larger swaths of the internet. Administrators are urged to configure their servers to deny the use of vulnerable Diffie-Helman key exchange algorithms. Could HTTPS Encryption Be Compromised?

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Encryption System Administration Firewall Internet 52

Krebs on Security

SEPTEMBER 2, 2019

Federal prosecutors in California have filed criminal charges against four employees of Adconion Direct , an email advertising firm, alleging they unlawfully hijacked vast swaths of Internet addresses and used them in large-scale spam campaigns. HOSTING IN THE WIND.

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Media Government Marketing Internet 200

SecureList

OCTOBER 20, 2021

We also review what pushed cybercriminals to transform their operations into the now well-known malware-as-a-service model — the use of cloud servers, the decreasing relevance of custom malware and the subsequent emergence of small, agile teams. Malware developers — no longer hiring. Client-side attacks on the wane.

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Cybercrime Banking Malware Ransomware 136

Security Affairs

MARCH 10, 2020

In human-operated ransomware attack scenario, attackers use stolen credentials, exploit misconfiguration and vulnerabilities to access target networks, attempt to escalate privileges and move laterally, and deliver malware and exfiltrate data. ” reads the post published by Microsoft.

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Ransomware Cybercrime Social Engineering Banking 115

SecureList

OCTOBER 13, 2022

In addition, manual mitigation steps can be undertaken by system administrators to prevent successful exploitation (see below). On receiving the e-mail, Zimbra submits it to Amavis for spam and malware inspection. At the moment, Zimbra has released a patch and shared its installation steps.

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System Administration Malware Passwords Internet 118

The Last Watchdog

MARCH 13, 2019

Unfortunately, despite steady advances in malware detection and intrusion prevention systems, and much effort put into training employees to be wary of suspicious email, weaponized email and document-based malware remain as virulent as pervasive as it was two decades ago. The key takeaways: Productivity vs. security.

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Malware CSO System Administration Financial Services 100

SiteLock

AUGUST 27, 2021

Dictionary.com defines it as: precautions taken to guard against crime that involves the internet, especially unauthorized access to computer systems and data connected to the internet. As the name implies, website security protects a website from cyber threats on the internet. However, there is much more to it than that.

Cybersecurity 52

Cybersecurity Malware VPN Network Security 52

Security Affairs

SEPTEMBER 3, 2019

. “ our research has uncovered new vulnerabilities, which we collectively dubbed USBAnywhere , in the baseboard management controllers (BMCs) of Supermicro servers, which can allow an attacker to easily connect to a server and virtually mount any USB device of their choosing to the server, remotely over any network including the Internet.”

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Hacking Firmware Media Authentication 85

Security Affairs

NOVEMBER 21, 2019

The Roboto botnet spreads by compromising systems by exploiting the Webmin RCE vulnerability tracked as CVE-2019-15107 to drop its downloader module on Linux servers running vulnerable installs. Webmin is an open-source web-based interface for system administration for Linux and Unix. Pierluigi Paganini.

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DDOS System Administration Advertising DNS 80

Krebs on Security

MAY 13, 2024

This post examines the activities of Khoroshev’s many alter egos on the cybercrime forums, and tracks the career of a gifted malware author who has written and sold malicious code for the past 14 years. 2011 said he was a system administrator and C++ coder. Dmitry Yuryevich Khoroshev. Image: treasury.gov. “P.S.

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Ransomware Cybercrime Accountability Malware 231

Security Affairs

MARCH 14, 2023

The gang leverages exposed remote administration services and internet-facing vulnerabilities to gain and maintain access to victim networks. Makop gang did not conduct any significative retooling since 2020, which is a clear indicator of their effectiveness even after three years and hundreds of successful compromises.

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Ransomware Software System Administration Encryption 82

Security Affairs

OCTOBER 28, 2018

“The intrusion attempts to deploy a cryptocurrency-mining malware (detected by Trend Micro as Coinminer.SH.MALXMR.ATNE) on the misconfigured systems.” The Center for Internet Security (CIS) has a reference that can help system administrators and security teams establish a benchmark to secure their Docker engine.

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Engineering Cryptocurrency System Administration Advertising 84

Krebs on Security

JANUARY 7, 2020

com — is different from the one I saw in late December, but it was hosted at the same Internet address as officesuited[.]com ” In an interview with KrebsOnSecurity, Tyler said he views this attack method more like malware than traditional phishing, which tries to trick someone into giving their password to the scammers.

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Phishing Passwords Accountability Authentication 241

Security Boulevard

DECEMBER 2, 2022

In most organization system administrators can disable or change most or all SSH configurations; these settings and configurations can significantly increase or reduce SSH security risks. But port forwarding requires careful configuration and hardening to make sure bad stuff from the internet is not forwarded into the private network.

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Risk Authentication Passwords Accountability 64

eSecurity Planet

MARCH 21, 2022

Update software, including operating systems, applications, and firmware on IT network assets in a timely manner. Prioritize patching known exploited vulnerabilities , especially critical and high vulnerabilities that allow for remote code execution or denial-of-service on internet-facing equipment. Implement network segmentation.

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VPN Accountability Authentication Passwords 108

The Last Watchdog

SEPTEMBER 11, 2019

Here are my takeaways: Skills deficit Over the past 20 years, enterprises have shelled out small fortunes in order to stock their SOCs with the best firewalls, anti-malware suites, intrusion detection, data loss prevention and sandbox detonators money can buy. For a full drill down on our discussion give a listen to the accompanying podcast.

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Big data Firewall Digital transformation Software 159

SecureList

MARCH 12, 2024

During one of the projects, an SQL injection into an application that was open to signup by any internet user let us obtain the credentials of an internal system administrator. Mitigation: use parameterized SQL queries in application source code instead of combining them with a SQL query template.

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Passwords Authentication Architecture Risk 98

NopSec

MARCH 16, 2020

First of all, ask yourself whether all your remote working systems and related directory services they are tapping into have adequate password length policy, password expiration,and username randomization. Also, does your Internet-exposed websites allow valid username enumeration via specific response identification?

VPN 40

VPN Accountability Risk System Administration 40

Spinone

DECEMBER 26, 2018

The contemporary world has witnessed the rise of the Internet and global communication, and collaboration technologies, including mobile data use and the culture of bring your own device [BYOD]. VoIP phishing and impersonation also victimized millions of corporate employees across the world , contributing to an even greater cyber threat.

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Security Awareness Risk Cyber threats Cyber Risk 40

Krebs on Security

AUGUST 5, 2021

It’s nice when ransomware gangs have their bitcoin stolen, malware servers shut down, or are otherwise forced to disband. After acknowledging someone had also seized their Internet servers, DarkSide announced it was folding. Indeed, some of the most destructive and costly ransomware groups are now in their third incarnation.

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