efani – A Comprehensive Guide on Silent SMS Denial of Service (DoS) Attack

When delivered to a mobile handset, silent messages, also known as Silent SMS or Stealth SMS “stealth ping”, or “Short Message Type 0”, are not indicated on the display or by an acoustic alert signal. This guide will concentrate on the technicalities of sending a silent SMS, as well as sending multiple incessant silent SMSs to perform a silent SMS denial of service (DoS) attack. These silent messages are increasingly being sent not only to perform DoS attacks but also to force the constant update of users’ or victims’ location (tracking) information.

What is Silent SMS or Flash SMS?

Silent SMS was originally intended to allow operators to detect whether a mobile phone was turned on and test the network without informing the user. They have, however, proven useful in the tracking down of suspects by police in a number of countries.

Using the GSM Network, silent SMS can pinpoint the exact location of a mobile phone. We can find a user by identifying the three antennas closest to him and then triangulating the distance based on the time it takes for a signal to return. When a person moves, their phone’s location is updated; however, the information is not updated immediately. The location of the mobile is instantly updated when a Silent SMS is sent. This is extremely useful because it allows you to locate someone at a specific time based on the airwaves.

ICYMI – In cellular communication networks, the SS7 (Signaling System No. 7) protocols are critical. Unfortunately, SS7 has a number of flaws that a malicious actor can exploit to launch attacks. Location tracking, SMS interception, and other types of signaling attacks are significant examples of these.

[TIP: EFANI’s Black Seal Protection against such hacks such as SS7, location tracking, DDoS, Silent SMS, IMSI Catchers and so on]

The Silent SMS Denial of Service (DoS) attack is one of the more intriguing attacks. A typical DoS attack floods a network with excessive traffic, rendering its computer resources inaccessible to users. The same concept applies to mobile devices.

Source: Croft, N. J., & Olivier, M. S. (2007). A silent SMS denial of service (DoS) attack

The Silent SMS Denial of Service (DoS) attack is one of the more intriguing attacks. A typical DoS attack floods a network with excessive traffic, rendering its computer resources inaccessible to users. The same concept applies to mobile devices. Without the victim’s knowledge, a device can be flooded with silent SMS messages. Texts swamping the victim’s device will utilize the battery abnormally while preventing the device from receiving calls.

Targets Location Tracking

Malefactors who exploit SS7 protocol vulnerabilities frequently target location information and tracking. A silent SMS could be sent to the target mobile device to force it to update the existing (normally the closest) serving base station onto the mobile network in order to identify the target’s location.

The device user will not be notified if a message is received, as in a Silent SMS DoS attack. However, unlike a DoS attack, there are no visible signs that an attack is taking place. As a result, the victim is completely unaware that they are being followed.

SIM cards are also a major target because they use Wireless Internet Browsers (WIB), that are not adequately secured. Telecommunications companies use Over the Air (OTA) technology to communicate with WIBs in order to manage SIM cards.

Evil people can essentially send a silent SMS containing WIB instructions. The instructions are executed once they have been received on the victim’s device. At this point, the malefactor has several options, including obtaining location data, initiating a call, sending an SMS, or even launching a web browser with a particular URL.

The Culprit: Who is behind the Silent SMS attacks?

Though it has reportedly been used by authorities and governments in the past, the decreasing costs of equipment and broadband access have made this attack vector accessible to malefactors with little technical knowledge.

Why are silent SMS attacks so risky?

Cellular attacks that take advantage of the SS7 protocol are nothing new. However, due to the covert nature of silent SMS attacks, it is difficult to detect them before it is too late. As a result, silent SMS attacks are a compliance nightmare. A breach cannot be detected and, as a result, cannot be reported in accordance with the law. Invisible DoS attacks, OTA malware, and unauthorized location tracking are all dangerous, if not disastrous.

It is incumbent to bring this to readers’ attention that not only SS7 attacks are next to impossible to detect when they take place, but they also leave practically no traces in terms of forensics. The forensic investigator has little to no data to extract and analyze from the victim’s device.

This is, of course, unless the victim has an application on their mobile devices that is specifically supposed to detect and triangulate silent SMS.

The investigator may be able to examine the traffic on the cellular network and possibly detect the unprecedented number of messages sent. Sadly, the investigator must have the victim’s mobile in hand to confirm a real-time attack.

Who is vulnerable to a Silent SMS attack?

It is not critical for most users to have their location tracked or to lose wireless access due to a DoS attack. Attackers are most likely to target executives, VIPs, celebrities, crypto enthusiasts, and governments.

Attacks will almost certainly result in significant financial losses for enterprises, whereas national defense is at stake for governments. They must also consider the possible harm that could be accomplished if an attacker is able to install malware on the device by exploiting WIB vulnerabilities on SIM cards.

The much-needed protection

The one and only effective way to identify and prevent such attack vectors is at the network level (speaking of mobile here). This necessitates the use of EFANI’s Black Seal Protection aimed at “plugging” the security vulnerabilities left by the primitive SS7 protocol, which is still in use presently.

Currently, most of the defense against silent SMS DoS attacks is left to individuals (going through such emotional stress) and cybersecurity professionals in companies, who (unfortunately) have little or no tools to do so. For telecom companies since this pandemic means taking a global approach to SS7 protection. It thus necessitates the implementation of appropriate safeguards and security mechanisms to prevent their networks and registered user devices from such hacks.

Unfortunately, traditional cell phone companies are not doing much to protect you. But it is not all bad news, there is a cellular phone company named efani that has stepped up and made it more difficult for hackers. efani offers the nation’s most secure mobile service and claims a 100% success rate.

The SAFE plan comes with a 100% money-back guarantee for 60-days. and includes:

*11 Layer Proprietary Military Grade Security
*Unlimited Call/Text/Data within US/Canada & Mexico
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*Keep your Current Number
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*$5 Million Insurance Coverage (includes: Crypto, Banking, Brokerage & Other Losses)

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Take action NOW and secure your assets, privacy, and your phone by calling toll free 1-833-693-3264 or visit the website below

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Recently, T-Mobile & Robinhood customers, over 60 million combined, became victims of a data breach. These customers are now potentially at risk of identity theft and fraud for many years to come.

What Is SIM Hacking?
SIM hacking is when a person gets their hands on a new SIM card that’s tied to you. Here’s how they typically operate:

The hacker contacts your mobile provider and requests a new SIM without your permission.

The operator asks questions to verify your identity, which the hacker has obtained from the recent data breach, dark web, or other sources.

Once the hacker has gained control over your SIM/Phone number they can gain access to all of your personal and financial accounts. We are talking about banking accounts, stock accounts, and all of your social media accounts.

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Bottom Line
If you’re looking for a mobile plan that also protects you from cybercrime, then Efani is the mobile service provider for you. Their state-of-the-art cybersecurity helps stop hackers from accessing your mobile phone.

Protect your identity today!

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This Video will Explain just how simple it is for a hacker to cause chaos and havoc on your life, finances, and more.


 

 

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efani T-Mobile Proposed Privacy Class Action Paused by Federal Judge

Cases on ice until Judicial Panel on Multidistrict Litigation rules · Telecom giant accused of negligence after suffering a data breach.

Two proposed privacy class actions against T-Mobile US Inc. were put on ice after a Washington federal judge found that pausing those cases would conserve judicial and party resources.

The cases have been stayed until the Judicial Panel on Multidistrict Litigation rules on a multijurisdictional litigation petition, Judge Barbara J. Rothstein wrote in two orders.

Read the whole article here: Read More

MNG Kargo Hacked: User Information Stolen | efani SAFE?

MNG Cargo, which has a wide transportation network in our country, announced that some of its corporate customers were attacked by cyber attacks as a result of their user names and passwords being seized. Notifying the Personal Data Protection Authority, the company announced that the names, surnames, addresses, and phone numbers of the cargo recipients were seized.

The company, which was able to detect the leak that started on August 15, on August 23, stated that the number of people affected by this situation is uncertain, and that there is no flaw in the system, and that the situation that caused the leak was due to the seizure of corporate customer accounts.

efani.net News | 500,000 Utahns’ sensitive information possibly hacked

More than 500,000 Utahns’ sensitive information was possibly hacked

More than 500,000 Utahns may have had their information hacked through a data breach reported to the federal government.

Utah Imaging Associates, Inc. (UIA), a Farmington-based radiology medical practice, learned that a hacker gained access to sensitive personal information of former and current patients. A hacker may have gained unauthorized access to the personal information of UIA’s patients.

Under privacy laws, the U.S. Department of Health and Human Services’ Office of Civil Rights must post any breach of health information affecting more than 500 people. According to their website, the Utah breach potentially affected 583,643 Utahns.

UIA first detected a network security incident on Sept. 4, 2021. They secured, remediated the network, and launched a forensic investigation. The investigation showed that some files with sensitive data were available to the hacker during the security breach.

Utahns possibly hacked, UIA responds

In a press release, UIA explained steps they have taken in response to the incident. UIA notified Utahns who may have been hacked via mail on Thursday, Nov. 18. In the notice to possible victims of the breach, UIA offered details about the incident, steps they are taking in response, and resources available to help protect against potential misuse of personal information.

According to the news release, UIA plans to offer anyone affected complimentary credit monitoring and identity theft restoration services through IDX.

UIA encourages anyone impacted to call (833) 525-2720 Monday through Friday, during the hours of 8 a.m. and 8 p.m. MST.

Twitter NASDAQ: (TWTR) CEO Jack Dorsey targeted by SIM swap | efani

How Twitter attacks probably happened

One day in 2019, Jack Dorsey started sending out a string of bizarre tweets. Jack’s followers knew his account had been compromised. What was less obvious to more than 4 million followers was how attackers took control of the Twitter CEO’s account for almost 20 minutes.

Twitter reported hackers had gained access to Dorsey’s profile by effectively stealing his mobile phone number. Jack’s number was compromised due to a “security oversight” by the carrier. While Twitter did not use the phrase “SIM swapping” in its statement, security experts attributed the attack to the popular tactic. Days later, the same thing happened to actress Chloe Moretz, who has over 3 million followers.

A scammer who knows your phone number and other personal information will call your wireless carrier pretending to be you. The scammer then requests that your number be transferred to a new SIM card they control. If successful with the impersonation the scammers gain control over your phone which then leads to your data and finances. Scammers use personal info like your birth date or your mother’s maiden name. With this vital info, the scammer can start logging into various services, like Twitter, & changing passwords.

Having taken control over your phone number, the attacker will receive messages with one-time passwords, negating the effectiveness of two-factor authentication.

Chuckling Squad claimed responsibility for the two attacks. Victims included Dorsey and Moretz along with other internet personalities like James Charles and Shane Dawson.

Twitter suffered the most high-profile attacks, Facebook, Snap, Microsoft’s LinkedIn, and Pinterest have also been attacked. These social media services rely on similar security measures, leaving their sites open to SIM hijackers. Scammers sometimes want to wreak havoc, other times they plan more nefarious intentions, such as accessing your banking credentials.

Jack Dorsey became a high-profile victim of SIM swappers in Sept 2019. Scammers are increasingly using SIM swapping to take over phones and going after online accounts. Internet companies are taking a lot of the blame, but the phone carriers are also at fault.

For Twitter, SMS hijacking is uniquely problematic because it has a feature that allows users to tweet by sending a text to the service.

efani.net | Twitter NASDAQ: (TWTR) CEO Jack Dorsey targeted by SIM swap

Unfortunately, traditional cell phone companies are not doing much to protect you. But it is not all bad news, there is a cellular phone company named efani that has stepped up and made it more difficult for hackers. efani offers the nation’s most secure mobile service and claims a 100% success rate.

Replace your existing mobile service plan with a secure efani SAFE plan today, No Contract! efani is a secure mobile service with an encrypted SIM Card that secures your mobile account from potential SIM Swap vulnerabilities, your personal information, as well as $5M insurance coverage per individual in the event of loss as a result of a SIMSwap.

The SAFE plan comes with a 100% money-back guarantee for 60-days includes:

$5 Million in insurance coverage
You’re protected up to $5 million for financial losses resulting from a SIM hack. (includes: Crypto, Banking, Brokerage & Other Losses)

As reported by CNBC in Sept 2019

 

Nvidia Inc. NASDAQ NVDA CEO Omniverse | efani SAFE?

Jensen Huang, Nvidia’s CEO, believes virtual 3-D worlds will be commonplace in the next phase of the internet and, as a result, drive major demand for the chipmaker’s new Omniverse software and its GPUs. ‘Hopefully one of these days — we’ll try to realize it as fast as we can — every transaction that goes into the internet touches a GPU,’ he said during Nvidia’s earnings call for the third quarter of its 2022 fiscal year.

Nvidia CEO Jensen Huang said the company’s Omniverse suite of software presents “one of the largest graphics opportunities” for the chipmaker yet as he expects virtual 3-D worlds will represent the next stage of the internet and drive greater demand for the company’s GPUs.

“Instead of just querying information, we would query and interact with people and avatars and things and places, and all of these things are in 3-D, so hopefully one of these days — we’ll try to realize it as fast as we can — every transaction that goes into the internet touches a GPU,” Huang said during the Wednesday earnings call for the third quarter of Nvidia’s 2022 fiscal year. “Today, that’s a very small percentage, but hopefully, one of these days will be a very, very high percentage.”

Do you know where your data sleeps at night? | efani SAFE?

The key steps to securing your data and giving it a new home on-premise.

Any business that has been around for more than a few years will have generated quite a lot of data. And as the business grows, so too does the number of different devices and applications that are storing data, including personal devices, cloud services, and on-premises hardware.

With each new device or service, the business’s data becomes spread across more and more locations and becomes increasingly fragmented.

This creates problems on two fronts.

Firstly, data that isn’t readily accessible can’t be put to good use. That means important information about customers’ actions and preferences can’t be used to boost sales.

Secondly, data that can’t be easily located and managed can’t be properly protected. And that could leave the business open to falling victim to the actions of cybercriminals.

The risks of poor data management

Cybercrime activity has increased dramatically in recent years. In September the Australian Cyber Security Centre (ACSC) found that total cyber incident reports had increased by approximately 13 percent during the 2021 financial year, to over 67,500, resulting in self-reported financial losses totaling more than $33 billion.

These losses come in many forms, including disruption to business operations, and from businesses having their data encrypted and held hostage by criminals who demand a ransom to return it. Then there is also the commercial damage from customers who no longer want to deal with an organization that has not protected their data.

Governments around the world are also raising their expectations for how businesses protect data, especially personally identifiable information (PII). One example is the Australian government’s Notifiable Data Breach scheme, which requires any business with an annual turnover of more than $3 million to notify affected individuals and the Office of the Australian Information Commissioner (OAIC) if it has experienced a data breach that is likely to seriously harm an individual.

The steps to securing data

It is hard for any business to know if it is protecting data and following regulations if it doesn’t know where its data is.

This makes finding and consolidating data an important first step in ensuring it is protected, by hunting down every data repository, be it in active use, archived on a storage device, or saved in a cloud service.

Once you know what data you have and where it is, you can then classify it based on its importance and sensitivity, and by the level of protection that it requires.

Consolidating your data also provides the opportunity to cut storage costs by eliminating older devices or expensive cloud-based services.

Giving your data a new home

For many businesses, the best solution is to store your data onsite using a secure and reliable data storage solution, such as IBM’s FlashSystem family.

These devices offer a range of price points to suit businesses of all sizes and combine the latest encryption and ransomware protection technologies with an easy-to-use interface that makes managing and securing data relatively simple.

This makes consolidating data a smart opportunity to reduce costs, improve security, and reduce the likelihood of a breach.

 

efani | Fortinet Hack Microsoft NASDAQ: MSFT Vulnerabilities

US, UK warn of Iranian hackers exploiting Microsoft Exchange, Fortinet

US, UK, and Australian cybersecurity agencies warned today of ongoing exploitation of Microsoft Exchange ProxyShell and Fortinet vulnerabilities linked to an Iranian-backed hacking group.

The warning was issued as a joint advisory released by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), the Australian Cyber Security Centre (ACSC), and the United Kingdom’s National Cyber Security Centre (NCSC).

“FBI and CISA have observed this Iranian government-sponsored APT group exploit Fortinet vulnerabilities since at least March 2021 and a Microsoft Exchange ProxyShell vulnerability since at least October 2021 to gain initial access to systems in advance of follow-on operations, which include deploying ransomware,” CISA said.

efani.net News | Rittenhouse lawyers ask judge for mistrial 3rd time

Kyle Rittenhouse’s attorneys asked the judge to declare a mistrial even as the jury in the murder case was deliberating Wednesday, saying the defense received an inferior copy of a potentially crucial video from prosecutors.

Judge Bruce Schroeder did not immediately rule on the request, the second mistrial motion from the defense in a week. The jury deliberated a second full day without reaching a verdict and will return in the morning.

At issue was a piece of drone video that prosecutors showed to the jury in closing arguments in a bid to undermine Rittenhouse‘s self-defense claim and portray him as the instigator of the bloodshed in Kenosha in the summer of 2020. Prosecutors said the footage showed him pointing his rifle at protesters before the shooting erupted.

Rittenhouse attorney Corey Chirafisi said the defense initially received a compressed version of a video and didn’t get the higher-quality one used by the prosecution until the evidence portion of the case was over.

He said that the defense would have approached things differently if it had received the superior footage earlier and that it is now asking for “a level, fair playing field.”

He said the mistrial request would be made “without prejudice,” meaning prosecutors could still retry Rittenhouse.