AerServ
HIGH RISKData breach — April 2018
In April 2018, the ad management platform known as AerServ suffered a data breach. Acquired by InMobi earlier in the year, the AerServ breach impacted over 66k unique email addresses and also included contact information and passwords stored as salted SHA-512 hashes. The data was publicly posted to Twitter later in 2018 after which InMobi was notified and advised they were aware of the incident.
search Check if you were affected — freeData exposed in this breach
What happened in the AerServ data breach?
In April 2018, the ad management platform known as AerServ suffered a data breach. Acquired by InMobi earlier in the year, the AerServ breach impacted over 66k unique email addresses and also included contact information and passwords stored as salted SHA-512 hashes. The data was publicly posted to Twitter later in 2018 after which InMobi was notified and advised they were aware of the incident.
The exposed data included 7 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Learn more about what a data breach means for you.
Quick answer — was AerServ hacked?
Yes. AerServ was breached in April 2018. The breach exposed 66,308 records including email addresses, employers, job titles. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the AerServ breach so dangerous?
The AerServ breach exposed 66,308 records — that is a large number of compromised accounts. The combination of email addresses, employers, job titles makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your AerServ password against hundreds of other websites. If you reused your password anywhere, those accounts are now at risk. Read more about what happens to your data after a breach.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the AerServ breach?
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Employers — may be combined with other breach data to build a profile for targeted attacks
Job titles — may be combined with other breach data to build a profile for targeted attacks
Names — used to build profiles and target you with personalised scams
Passwords — can be used to access your accounts directly or cracked to reveal your actual password
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Physical addresses — combined with other data, used for identity theft and physical fraud
Is the AerServ breach still dangerous in 2026?
Yes. Stolen data from the AerServ breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2018 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your AerServ password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the AerServ breach
Approximately 66,308 user records were exposed in the AerServ breach in April 2018.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your AerServ password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full AerServ dataset and tell you instantly whether your email was exposed and what data was taken.
Change your AerServ password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the AerServ breach?
The AerServ data breach affected approximately 66,308 users who had accounts with the service. While not the largest breach on record, it still represents a significant number of compromised accounts in our database of 970+ known breaches.
If you ever created an account with AerServ or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the AerServ breach
Change your AerServ password immediately
Go to AerServ and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on AerServ and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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