Krebs on Security

AUGUST 3, 2020

“Our Litigation Firewall isolates the infection and protects you from harm. The Blacklist Alliance researches TCPA cases to uncover the phone numbers of plaintiffs and sells this data in the form of list-scrubbing services to telemarketers. “TCPA predators operate like malware,” The Blacklist explains on its website.

Mobile 361

Mobile Marketing Consumer Protection Wireless 361

Security Affairs

OCTOBER 16, 2020

. “A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. “This flaw exists pre-authentication and within a component (SSLVPN) which is typically exposed to the public Internet.”

VPN 143

VPN Firewall Advertising Internet 143

Security Affairs

JUNE 23, 2020

The Shadowserver Foundation is a nonprofit security organization working altruistically behind the scenes to make the Internet more secure for everyone. The researchers scanned the Internet for printers that are exposing their Internet Printing Protocol (IPP) port online. and printers (or print servers). Pierluigi Paganini.

Internet 139

Internet Internet Firmware Advertising 139

Security Affairs

JULY 24, 2020

Cisco fixed CVE-2020-3452 high-severity path traversal flaw in its firewalls that can be exploited by remote attackers to obtain sensitive files from the targeted system. Researchers from Rapid7 scanned the Internet for ASA/FTD devices, it reported the presence of 85,000 units, 398 of which are spread across 17% of the Fortune 500.

Firewall 141

Firewall Advertising Software Hacking 141

Security Affairs

JULY 10, 2020

Juniper Networks addressed several vulnerabilities in its firewalls, most of them can be exploited by attackers for denial-of-service (DoS) attacks. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

Firmware 128

Firmware Advertising Firewall Internet 128

Malwarebytes

FEBRUARY 6, 2023

Today is the 20th Safer Internet Day. 2004 was a key year for several safety activities, encompassing both Safer Internet Day and the Safer Internet Forum. Was the general state of the Internet at the time so bad that all of these events sprang up almost out of necessity? You may be asking, why 2004?

Internet 88

Internet Internet Adware Spyware 88

Security Affairs

SEPTEMBER 9, 2019

A DoS attack that caused disruptions at a power utility in the United States exploited a flaw in a firewall used in the facility. The incident took place earlier this year, threat actors exploited a known vulnerability in a firewall used by the affected facility to cause disruption. and 7 p.m., power grid ( Energywire , April 30).

Energy and Utilities 108

Energy and Utilities Firewall Firmware Advertising 108

Security Affairs

JUNE 29, 2020

Below the recommendations provided by ESET on how to configure remote access correctly: Disable internet-facing RDP. If that is not possible, minimize the number of users allowed to connect directly to the organization’s servers over the internet. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Passwords 143

Passwords Internet Internet Advertising 143

Security Affairs

MARCH 13, 2025

The researchers report that the ransomware rely on Ligolo for reverse tunneling and Cloudflared to expose systems securely without direct internet exposure. The threat actors use PsExec to execute scripts, enable RDP access, and modify firewall rules. Attackers use Mimikatz to steal credentials.

Ransomware 72

Ransomware Encryption Cryptocurrency Insurance 72

Security Affairs

JUNE 18, 2020

Security experts Adam Nichols from GRIMM and d4rkn3ss from the Vietnamese internet service provider VNPT have independently reported a severe unpatched security vulnerability that affects 79 Netgear router models. “This could be accomplished in a number of ways, most notably with firewall rules/whitelisting.”

Firmware 145

Firmware Internet Internet Advertising 145

Security Affairs

JULY 27, 2020

In December 2018, security experts from Trend Micro discovered that some machine-to-machine (M2M) protocols can be abused to attack IoT and industrial Internet of Things (IIoT) systems. Configure network firewalls to block unauthorized IP addresses and disable port forwarding. Pierluigi Paganini. SecurityAffairs – hacking, FBI).

DDOS 142

DDOS IoT Internet Internet 142

Security Affairs

AUGUST 18, 2020

The worm also steals local credentials, and scans the internet for misconfigured Docker platforms.” Use firewall rules to limit any access to Docker APIs. We strongly recommend using a whitelisted approach for your firewall ruleset. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Firewall 125

Firewall Advertising Malware Cryptocurrency 125

Security Affairs

AUGUST 27, 2020

To perform the experiment, we used Internet of Things (IoT) search engines to search for open devices that utilized common printer ports and protocols. After filtering out most of the false positives, we were left with more than 800,000 printers that had network printing features enabled and were accessible over the internet.

Hacking 145

Hacking IoT Firmware Internet 145

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” concludes the report.

IoT 145

IoT Firmware DNS Advertising 145

Security Affairs

APRIL 6, 2020

Cloud security firm Aqua Security uncovered a hacking campaign carried out during the past months, hackers are scanning the Internet for Docker servers running API ports exposed without a password. Experts also recommend to access admin endpoints only through firewall or VPN gateway. ” concludes the experts. Pierluigi Paganini.

Cryptocurrency 136

Cryptocurrency Malware Advertising Firewall 136

Security Affairs

OCTOBER 17, 2018

The exploitation of this vulnerability could cause major problems on the Internet. million servers running RPCBIND on the Internet. On that day, one of the web application firewalls (WAFs) installed in the XLabs SOC (security operations center) detected an abnormal pattern of network traffic that caught the eye of Mauricio.

DDOS 111

DDOS Internet Internet System Administration 111

Security Affairs

JULY 30, 2019

Even a device that is reaching outbound to the internet could be attacked and taken over. “As an example of this scenario, consider how such an attack can take over the SonicWall firewall, which runs on the impacted VxWorks OS.” Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Risk 105

Risk IoT Firewall DNS 105

Security Affairs

JANUARY 17, 2020

China continues to intensify the monitoring of the cyberspace applying and persecution of VPN services that could be used to bypass its censorship system known as the Great Firewall. The Great Firewall project already blocked access to more hundreds of the world’s 1,000 top websites, including Google, Facebook, Twitter, and Dropbox.

VPN 96

VPN Firewall Advertising Media 96

Security Affairs

OCTOBER 1, 2020

CISA also published a security advisory for these vulnerabilities, the US agency provided the following recommendations to the users: Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Advertising 138

Advertising Authentication Firewall Hacking 138

Security Affairs

APRIL 4, 2020

Microsoft declared that an Emotet attack took down an organization’s network by overheating all the computers and bringing its Internet access down. “He’d been told the organization had an extensive system to prevent cyberattacks, but this new virus evaded all their firewalls and antivirus software. . Pierluigi Paganini.

Antivirus 144

Antivirus Malware Phishing Advertising 144

Schneier on Security

MARCH 17, 2021

There are advertisements, and several prayers. The philosophy behind Bitcoin traces to the earliest days of the open internet. Two distinct forks would soon emerge, one behind China’s Great Firewall and one outside. There are digital images, including one of Nelson Mandela.

Cryptocurrency 363

Cryptocurrency Media Government Firewall 363

Security Affairs

FEBRUARY 14, 2020

Enable a personal firewall on agency workstations, configured to deny unsolicited connection requests. Scan all software downloaded from the Internet prior to executing. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->. .

Malware 144

Malware Passwords Advertising Antivirus 144

Security Affairs

SEPTEMBER 4, 2019

In addition, we’re shooting for 7x24x365 uptime as we continue to scale with improved Web App Firewalls, Content Deliver Networks (CDNs) around the Globe, Faster and More Secure DNS and CyberDefenseMagazineBackup.com up and running as an array of live mirror sites.

DNS 100

DNS Advertising Firewall Mobile 100

Security Affairs

APRIL 26, 2019

One in four internet users use a VPN regularly, but how much does the average user know about what goes on behind the software? Different protocols create different ways that connect your device and the internet through encrypted tunnels. Firewalls can easily block it because it only communicates over UDP.

VPN 111

VPN Encryption Firewall Internet 111

Security Affairs

FEBRUARY 16, 2021

ngrok is a cross-platform application used to expose a local development server to the Internet, the server appears to be hosted on a subdomain of ngrok (e.g., The experts pointed out that ngrok server software runs on a VPS or a dedicated server and can bypass NAT mapping and Firewall restriction. 4f421deb219c[.]ngrok[.]io)

Phishing 143

Phishing Cybercrime Mobile Internet 143

Security Affairs

AUGUST 20, 2019

Your IP or Internet Protocol address is your digital identity on the internet. It may be used to download unauthorized stuff or may be used for uploading disputed content on the internet. It disguises your original identity and location and allows you to access the internet from a remote server. Secure Your Router.

Hacking 111

Hacking VPN Internet Internet 111

Security Affairs

JUNE 5, 2019

In addition to installing the patches from Microsoft, Windows users can mitigate attacks: Block TCP Port 3389 at your firewalls, especially any perimeter firewalls exposed to the internet. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Enable Network Level Authentication. Pierluigi Paganini.

Penetration Testing 109

Penetration Testing Firewall Authentication Advertising 109

eSecurity Planet

AUGUST 9, 2021

A malicious advertising campaign originating out of Eastern Europe and operating since at least mid-June is targeting Internet of Things (IoT) devices connected to home networks, according to executives with GeoEdge, which offers ad security and quality solutions to online and mobile advertisers. billion in 2021 , with 55.2

IoT 145

IoT Advertising Identity Theft Mobile 145

Security Affairs

FEBRUARY 3, 2020

L inear eMerge E3 smart building access systems designed by N ortek Security & Control (NSC) are affected by a severe vulnerability (CVE-2019-7256) that has yet to be fixed and attackers are actively scanning the internet for vulnerable devices. Passwords can be found in p roduct documentation and compiled lists available on the Internet.”

DDOS 98

DDOS Hacking Internet Internet 98

Security Affairs

OCTOBER 8, 2018

Specifically, users should: Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet. Locate control system networks and remote devices behind firewalls, and isolate them from the business network. Pierluigi Paganini. Security Affairs – WECON, SCADA ).

Software 104

Software Manufacturing Advertising Firewall 104

Security Affairs

FEBRUARY 25, 2020

“Do not leave the product directly exposed to the internet. If possible, connect it to a security router or firewall for additional protection,” Zyxel recommends. . CERT/CC also provides mitigations such as blocking access to the web interface (80/tcp and 443/tcp) and avoiding exposing the NAS to the Internet.

Authentication 112

Authentication Advertising Firmware Internet 112

Security Affairs

MAY 30, 2020

It is better to use ICAP (Internet Content Adaptation Protocol) servers or excellent Antivirus systems to protect the data of your company. API Firewalling. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

Authentication 144

Authentication Firewall Encryption Passwords 144

Security Affairs

DECEMBER 5, 2019

The Great Cannon has been used in the past to knock-out two anti-censorship GitHub pages and the GreatFire.org (a portal that exposes internet censorship worldwide ). ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Copyright (C) 2014 Media.net Advertising FZ-LLC All Rights Reserved -->.

DDOS 95

DDOS Firewall Advertising Government 95

Security Affairs

SEPTEMBER 22, 2020

The malicious code was initially advertised on many hacking forums for up to $300, later other threat actors started offering it for less than $80 in the cybercrime underground. Enable a personal firewall on agency workstations, configured to deny unsolicited connection requests. See Using Caution with Email Attachments.

Malware 106

Malware Passwords Advertising Antivirus 106

The Last Watchdog

MARCH 25, 2019

Without APIs there would be no cloud computing, no social media, no Internet of Things. In this case, the API was supposed to let businesses, advertisers and other bulk mail senders “make better business decisions by providing them with access to near real-time tracking data” about mail campaigns and packages,” according to Brian Krebs.

Digital transformation 154

Digital transformation Software Data breaches Authentication 154

Security Affairs

SEPTEMBER 22, 2018

Sniffer plug-in – injects malicious scripts into a victim’s browser, usually while visiting internet banking sites. The malware also implemented the RDP plug-in because the protocol is less likely to be blocked by firewalls, experts also highlighted that the RDPWrap allows several users to use the same machine concurrently.

Banking 110

Banking Advertising Architecture Firewall 110

Malwarebytes

JUNE 28, 2021

Its successor, Layer 2 Tunnel Protocol (L2TP), is more secure once paired with IPsec (Internet Protocol Security). Unfortunately, L2TP/IPsec is slow and easy to block with network firewalls. Although PPTP is fast because of its light security, it’s also vulnerable to breaches.

VPN 121

VPN Encryption Advertising Firewall 121